Splatfest

"Pick a side and battle it out in these special Turf War events. Find out about the latest Splatfests in Inkopolis Plaza, and be sure to pledge allegiance to your favorite side in the week leading up! Then help your side win by competing in Turf War battles!"

- Splatoon's official website

A Splatfest is an event in the SS undefined that periodically occurs for a limited time. In these events, players join a team (with the selection being different each Splatfest) and compete in Turf Wars to raise their teams' scores, ending with the winning team being announced and Super Sea Snails being awarded to all participants (with players on the winning team getting more Super Sea Snails). In and, each Splatfest featured two teams, such as Cats and Dogs, whereas in , each Splatfest features three teams, such as Rock, Paper, and Scissors.

Background
When a Splatfest is held and its theme is not decided on by the organizers or similar, instead, they are held whenever the "Voice from on High", a fax machine, receives signals from the human era that are bounced back from a Voyager-esque spacecraft. These are interpreted as divine questions from the gods, although the Inklings and Octolings don't always understand what the choices in question are, as there are no Nike shoes or McDonald's in their current world. However, they still participate as they want to answer the question in some way.

As Splatfests expand beyond the games and are not limited by their boundaries, the idols occasionally act as if they know that they are in a video game, and therefore their quotes might not always reflect the lore, as seen in Super Mushroom vs. Super Star, where Marina references the fact that it is Mario's 35th anniversary, despite the fact that humanity went extinct about 12,000 years ago.

Splatoon


In Splatoon, Splatfests were recurring events hosted by the Squid Sisters, Callie and Marie. During this event, Inklings were able to choose between two teams and participate in battles against each other. Inklings were limited to two colors during the Splatfest, reflecting which side they were on. The clothing section of the equip screen also became locked and all players were forced to wear the Splatfest Tee, which changed in color and design based on an Inkling's chosen team, although they could still change hats, shoes, and weapons. Inkopolis Plaza and all the stages were decorated with a flood of Miiverse posts from the Splatfest/Festival tag on the Splatoon community, some of which took the form of neon signs, banners, and even fireworks. Nighttime also descended over Inkopolis and all Turf War stages. Fireworks went off periodically in the Plaza, and specks of light resembling fireflies or fire embers could be seen rising into the sky. Both Callie and Marie danced throughout the entire duration of this event, singing and dancing to City of Color.

For the most part, each Splatfest lasted 24 hours, during which time the region involved was isolated and Splatfest players would only face off against players from their own region. Meanwhile, all other regions continued to play amongst each other. A few choice Splatfests deviated from these rules. Super Sea Snails were awarded to participating players upon Splatfest's conclusion.

Splatoon 2
Splatfests returned in Splatoon 2, now hosted by Off the Hook's members, Pearl and Marina. Besides this, the structure was largely the same. Although Miiverse is not compatible with the Nintendo Switch, Splatoon 2's exclusive drawing feature allows for players to submit doodles that appear in-game as neon signs, banners, fireworks, or graffiti, as well as upload doodles to social media accounts. Inkopolis Square is decorated similarly to Inkopolis Plaza in the first game and all areas once again become locked in nighttime as Pearl and Marina perform Color Pulse in Inkopolis Square.

In a similar vein to Callie vs. Marie, Chaos vs. Order (also known as Final Fest: Splatocalypse) was heavily promoted as Splatoon 2's final Splatfest, featuring many special and unique characteristics, and would influence events of the sequel. Despite that, 2020 would see four additional Splatfests hosted after a year of inactivity, during the COVID-19 pandemic, giving players further entertainment during lockdown. The first three additional Splatfests were rematches of previous Splatfests, with largely unchanged dialogue. Dialogue from the fourth (and only original) additional Splatfest, Super Mushroom vs. Super Star, did briefly mention how the Splatocalypse was meant to be the final Splatfest with no mention of the previous three rematches, suggesting they were non-canonical.

Splatoon 3
Splatfests are now hosted by Shiver, Frye, and Big Man of Deep Cut in Splatoon 3. They all parade through Splatsville for the duration of the Splatfest, which are now a battle between three different teams, each represented by a different member. Each member has their own Splatfest Float, however, they all combine to form one large stage that remains stationary after the Halftime Report. Deep Cut performs Anarchy Poisons on the first day of a Splatfest and Anarchy Rainbow on the second.

In Inkopolis Plaza, Callie and Marie once again perform during Splatfests, singing City of Color (2023) on the first day and Tomorrow's Nostalgia Today on the second.

Battles played between the time the Splatfest is announced and when it begins, known as the Splatfest Sneak Peek, also contribute to the final results.

As Splatoon 3 does not have separate regional versions like previous games, players are instead given the option to set a Splatfest Region. The available Splatfest Regions and their respective languages are as follows:
 * Japan
 * Japanese
 * Americas, Australia, and New Zealand
 * English
 * French (Canada)
 * Spanish (Latin America)
 * Europe
 * English
 * Dutch
 * French (France)
 * German
 * Italian
 * Russian
 * Spanish (Spain)
 * Hong Kong and South Korea
 * English
 * Chinese (Simplified)
 * Chinese (Traditional)
 * Korean

Players are able to change their region freely before voting for a Splatfest, but will not be able to change it for 60 days (1440 hours) if changing it once a Splatfest has begun or after the player has voted. Players who change their region during the Splatfest Sneak Peek must restart the game to leave their current region. Prohibition Period will be refreshed to 60 days every time a player votes for a Splatfest, even if prior Prohibition Period has not yet expired. If a player's console is set to a language that is not available in their Splatfest Region, then Splatfest-related text may appear in a different language, such as Anarchy Splatcast broadcasts and Splatfest teams. In some cases, the game may disregard the system's language to load in a language supported by the Splatfest. In Splatfests shared by multiple regions, all languages' texts are accessible regardless of region and matchmaking is not restricted between participating regions.

Outside of Splatfests, Splatfest Regions are also used for drawings from other players and for Monthly Challenges.



Preparation
Before a Splatfest begins, Inkopolis Plaza, Inkopolis Square and Splatsville experience a variety of visual upgrades to prepare for the event. One week before a Splatfest in Splatoon, a voting booth appeared next to the Miiverse mailbox and the event's theme was announced by Callie and Marie during their Inkopolis News segment. Pearl and Marina similarly announce the event's theme a week prior during their Off the Hook segment in Splatoon 2, while the voting booth appears in the Square. The same is true for Splatoon 3, where Deep Cut will announce the theme approximately a week before the Splatfest begins. The voting booth will also appear at this time.

Players receive a themed Splatfest Tee, a piece of gear that is wearable only until the Splatfest ends when they join a team. Two days before a Splatfest in, neon signs adorned with up and down pointing arrows appeared on walls and buildings, and the day before it took place, the Plaza became noticeably more crowded and two large trucks supporting stage scaffolding appeared in the area's center.

In, one day before the Splatfest, a large performance stage appears in the Square, above the entrance to the battle lobby. On the tower behind the stage is a screen displaying the two battling teams' mascots. There are also large black lattice boards, which, later on, become the area where posts are featured in the form of neon signs.

has several changes for both Splatsville and Inkopolis Plaza.
 * After the announcement:
 * Splatfest Floats for Deep Cut will begin to appear around Splatsville. In addition, a T-shirt booth along with the Splatfest voting board appears near the spawn point. Metal framing with neon signs and small flags also appear scattered around Splatsville, featuring posts seen in the city. The music heard near the Battle Lobby in Splatsville changes to be more festival-like.
 * In Inkopolis Plaza, the Squid Sisters' trucks (with the screens on the side displaying test patterns) and a small lift platform appear in the center of the area, while the kitsune and tanuki statues and Inkopolis Tower are repainted in the colors of the first, second, and third team respectively. Neon signs and framing also appear around the plaza for displaying user posts, though they are turned off initially. The Splatfest voting board appears in front of Inkopolis Tower, in the same location it was in, and the speakers near the tower begin playing an instrumental dance remix of City of Color.
 * Two days before the Splatfest, the time of day will change to evening:
 * The entrance of the Battle Lobby in Splatsville gains a wooden frame around it as well as various lanterns.
 * One day before the Splatfest:
 * More lanterns appear, and the torii gate-like structure near the spawn starts shining rainbow neon lights.
 * During the two-hour period between the end of the Splatfest and the announcement of the final results:
 * Both Splatsville and Inkopolis Plaza revert back to their default time of day.
 * A parked white van can be seen in the center area of both hub areas. Several items can be seen surrounding the van such as folded sheets of tarp, carts holding wooden planks, and boxes of full garbage bags.
 * Starting with the Shiver vs. Frye vs. Big Man Splatfest, a song performed by Deep Cut, Daybreaker Anthem, can be heard both in the Splatsville plaza as well as inside the Battle Lobby. In Inkopolis Plaza, Maritime Memory will play instead.

During a Splatfest, Regular and Ranked Battle options are not available, as they are temporarily replaced by the Splatfest Battle option; however, Private Battles and Salmon Run can still be accessed.

Modes
"Oh, while you're deciding, we have more Splatfest findings to share. It seems there are two types of Splatfest battles: Open and Pro. Choose Open to squad up with your friends or play solo against randoms. Pro mode is serious business for solo players only. You can try both!"

- @SplatoonNA on Twitter

In Splatoon 2, there are two ways to enter Splatfest Battles as of Version : Normal and Pro. Normal mode lets the player either start solo or battle with two to four friends by joining together in a private lobby before choosing to find other random players. Players from the same team can continue being matched up together in the same lobby if they choose to continue after the end of a match. Pro mode works identically to how Solo mode worked before this version; the player cannot team up with friends and is automatically matched with three other players. Players from the same team are not matched up in the same lobby after a match.

Before Version, there were two other options for Splatfest Battles: Solo and Team. Solo mode worked like Splatfests in Splatoon; the player was automatically matched with three other players and battled against groups of four random players from the opposing team. However, as opposed to the original game, players from the same team were not automatically matched up in the same lobby after a match. Team mode required four players (that must be friends with someone from the same team who is in the lobby) to join a private lobby before being matched up against another team of four.

In Splatoon 3, there are three different Splatfest Battle modes, Open, Pro, and Tricolor. Open and Pro are available for the entirety of the Splatfest, while Tricolor is only available after the Halftime Report. Open and Pro function identically to Normal and Pro mode in Splatoon 2. Players that chose Tricolor will play a Tricolor Turf War, with the attackers and defenders for the match being random, if the leading team at the Halftime Report is the defending team during the match, the winning team will receive a 1.5× clout bonus. Pro mode is unaffected by the Halftime Report, and Tricolor Turf Wars will not occur there.

Prior to Version, only members of the 2nd and 3rd place teams could select the Tricolor Battle mode, where they were guaranteed to be on the attacking teams. The leading team would randomly play a Tricolor Battle when selecting Open mode, where they would always on the defending team.

Special Splatfests
In both and, some Splatfests have special effects, decorations, and properties that normal Splatfests do not have. These special effects can include a wide variety of things, such as special gear, special badges and splashtags, modified music and sound effects, special decorations around the square or plaza, visual effects like confetti or camera filters, and different outfits for the idols. These changes usually align with the theme, and are also used when there is either a major holiday being celebrated (like Christmas, Easter, or Halloween), or if there is an important date in the game series being celebrated, like an anniversary. Splatfests that fall into this category include:

In :
 * Squid vs. Octopus (1-Year Anniversary)
 * Players' characters matching their respective teams in battle, with Team Octopus players being Octolings whether or not they had already finished
 * Confetti added to the opening screen and beginning of a match
 * Fireworks in the background of Sweet Valley Tentacles


 * Tsubuan vs. Koshian (Tsukimi) and Retro vs. Modern
 * A large full moon added to the sky above Inkopolis Square


 * Trick vs. Treat (Splatoween)
 * Halloween decorations across Inkopolis Square
 * Special sound effects
 * Splatfest-themed gear
 * Modified opening screen that resembles an old movie shot on film, as well as ghost animations
 * Halloween-themed stickers spread across stages
 * Full moon in Inkopolis Square


 * Fam vs. Friend (Frosty Fest)
 * Winter holiday-themed decorations in Inkopolis Square
 * Special outfits for Off the Hook
 * Lighter sky to resemble wintertime
 * Modified opening screen with jingle bells and confetti added, as well as snowflake graphics
 * Glittery ink colors
 * Special sound effects


 * Knight vs. Wizard (amiibo Promotion)
 * Players wearing the matching headgear and shoes obtained from the Octoling Girl, Octoling Boy, or Octoling Octopus amiibo appear to wear the full outfit during battles
 * The succeeding Splatfest's modified opening screen was accidentally enabled.


 * Hare vs. Tortoise (Spring Fest)
 * Pink- and green-themed decorations in Inkopolis Square
 * Special sound effects
 * Special gear items
 * Modified opening screen with Easter graphics
 * Lighter sky, similar to Frosty Fest
 * Off the Hook in their Octo Expansion outfits


 * Chaos vs. Order (FinalFest)
 * Enlarged title screen logo
 * Lighter sky, but very ominously colored
 * Special sound effects
 * Modified opening screen with music and SFX pitched up, referencing Octo Expansion
 * Special gear
 * Banners and other decorations in Inkopolis Square
 * Special outfits for Off the Hook

In :
 * Shiver vs. Frye vs. Big Man (1-Year Anniversary)
 * Modified opening screen with confetti in Deep Cut's colors
 * Modified win and lose themes based on the player's team
 * Deep Cut Banners and Badges


 * Zombie vs. Skeleton vs. Ghost (Splatoween)
 * Halloween-themed decorations around Splatsville and Inkopolis Plaza
 * Splatfest-themed gear
 * Special outfits for Deep Cut and the Squid Sisters
 * Special sound effects
 * Modified versions of Anarchy Poisons and Anarchy Rainbow
 * Unique lobby music, Deepers Creepers, as well as unique Crab-N-Go music
 * Modified battle opening screen which resembles an old movie shot on film
 * Modified win and lose themes
 * Special ink varieties which have a glowing and marbled effect


 * Splatoon 3's FrostyFest
 * Christmas-themed decorations around Splatsville and Inkopolis Plaza
 * Splatfest-themed gear
 * Special outfits for Deep Cut and the Squid Sisters

Splatfest Power


Splatfest Power was a feature introduced in Version of Splatoon as a way of tracking players' skill during Splatfests, replacing the Vibe meter. While Splatfest matchmaking was previously based on play styles, players were then matched based on similar Splatfest Power levels. It was initially determined by one's Rank and may rise or fall depending on how well one did in battles.

After each Splatfest Battle, players on the winning team got roughly ten points toward their Splatfest Power and the losing team lost roughly ten, depending on the difference between the two teams' Splatfest power level, while the player on the winning team with the highest Splatfest Power gained an additional one to two points.

The top 100 players with the highest Splatfest Power were shown on SplatNet and on the social network sites of Splatoon.

Splatfest Power returned in Splatoon 2, where the player's initial Splatfest Power was based on their performance in their first seven matches. The top 100 players are displayed in SplatNet 2 and can be viewed under each Splatfest event. As of Version, to adjust fairness in matchmaking and to prevent improper behavior, the names and levels of all players in a match are not shown on the lobby waiting screen and are replaced with question marks if the player's Splatfest Power is above 2,200. Due to this, players are able to battle against people blocked in their Nintendo Switch system settings as long as their power is also this high.

Splatfest Power returned in Splatoon 3, working similarly to Splatoon 2. The player's Splatfest Power is based in their performance in the first seven matches. However, the Splatfest Power is only available on Splatfest Battle Pro. On SplatNet 3 after the results of a Splatfest are in, the Splatfest Top 100 is now available, based on the player's Splatfest Power.

Clout
Clout is a mechanic introduced in version of  that is used to determine the winner in Splatfests as opposed to strictly using the win rate. Clout is counted separately for two of the available Splatfest Battle modes, Normal and Pro. Battling against the same Splatfest team does not contribute to the Clout score.

In Normal mode, players can multiply their Clout by a factor of up to ×2.0 based on the Synergy Bonus they get if they win the match. Synergy Bonuses are earned by having matching gear, weapons, and appearance, which are also tied into the team names players get during Splatfests. An example of the highest possible Synergy bonus would be if all four players were Inkling boys with the ponytail hairstyle and dressed in the Soccer Headband, Blue Sea Slugs and Aerospray PG. The nickname will be "The Ponytail Soccerband Blue Sea Slug Bronze Aero gang."

The multiplier begins at ×1.0, where each matching element adds to the factor. For example, if a team has all matching hairstyles and all matching shoes, they will get a Synergy Bonus of ×1.0 + ×0.1 + ×0.3 = ×1.4.

10×, 100×, and 333× Battles
"SRL checking in now that the Splatfest is live. Did you know that a 10x Battle can randomly occur? Our Stats dept. is still calculating the probability of one happening, but if you see one, get ready to splat with everything you've got - you could earn 10x the Clout!

Winning a 10x Battle also earns everyone on your team a festival shell. And if you team up with other players with lots of festival shells, the odds of triggering a 100x Battle increase! What happens if both teams trigger a 100x Battle at the same time? An ultra-rare 333x Battle!

Now, if you play in a 100x or a 333x Battle, you'll lose all your festival shells. But isn't it worth it for a chance at all that Clout? (Trust us - it is.) Plus, 100x or 333x winners will also get a Splatfest Star above their nickname for the rest of the Splatfest. So cool!"

- @SplatoonNA on Twitter

Normal, Open, and Pro modes occasionally feature 10×, 100× and 333× Battles, where the Clout score is multiplied by a factor of 10, 100 or 333 if the team won.

In Splatoon 2, 100× Battles occurred every ten minutes at their introduction, but around June 2019 were changed to occur every five minutes, while 10× Battles occur more frequently. The 100× Battle rate was later increased again in celebration of Final Fest, where approximately ten 100× Battles can happen in a minute. This increased rate was still in place for the special encore Splatfests that were held afterwards and the Super Mushroom vs. Super Star Splatfest. The Synergy Bonus is rounded to the nearest integer before the 10× or 100× bonus is applied. Losing a 10× or 100× Battle adds no bonus to Clout.

They function slightly differently in Splatoon 3. Here, 10× Battles are much more common and will reward the winning players with festival shells. These increase the odds of a 100× Battle occurring. 333× Battles can rarely occur if both teams manage to activate a 100× Battle at once, with the odds increasing depending on how many festival shells each player has. When winning a 100× or 333× Battle, the winning team will perform a unique victory animation. 10×, 100×, and 333× battles can not occur during a Tricolor Turf War. After a player has won a 100x or 333x battle, a Splatfest Star will be displayed above their head in battles until the Splatfest has ended.

In Splatoon 2, the winners of both 10× and 100× battles are featured in a newsflash that is displayed as text in the lobby, as text on the SplatNet 2 app, and as an image on the Splatfest booth in the Square. Images of 100× winners are also displayed on SplatNet 2. Newsflashes of players that win a 100× Battle are displayed for all players of their Splatfest, while newsflashes of players that win a 10× Battle are displayed for themselves and their friends who are playing during the same Splatfest. If a player won a 100× Battle, the newsflash of their victory would display on their session for around half an hour before displaying winners of other battles. The news images of the winners from these battles showed the players striking different poses, where the winners from a 100× Battle would be holding a large check.

In, as of the Version 2.0.0 update, the winners of 10×, 100×, and 333× battles appear at their Pledge Box once again. A new feature was also added that allows 100× and 333× battle winners to board a Splatfest Float with their team to take commemorative pictures.

Announcing 10×, 100×, and 333× Battle Wins
As an expansion of Anarchy Splatcast during Splatfests, Deep Cut is broadcasting straight from the front lines of Splatfests to announce special updates. As of Version 3.0.0 update, when the player is in the Battle Lobby, announcements of a 10×, 100×, and 333× Battle victory and its victors are displayed on the player's Sea-Cucumber Phone.


 * Quotes

Splatfest team names
Version introduced special team names for individual teams of four (not to be confused with the overall Splatfest team) which were assigned if the whole team has matching gear, weapons, or appearance.

Splatfest team names are separated into five main categories, each of which has one slot in the final team name, meaning there can only be up to five name parts in a team name. Under these categories are a number of sub-series that determine what the displayed name unit should be if there are more matching properties within a category.

For example, if everyone on the team has matching hairstyles, species, and gender, the game will only choose the hairstyle for the team's name. If a team only has matching species and gender, the game will choose species for the team's name.

The Synergy Bonus and Splatfest team names are closely related as they are both determined by the same factors, but not everything that warrants a Synergy Bonus has an equivalent team name. Some bonuses are earned by just having two or three teammates with matching properties, while Splatfest team names are only earned if all teammates match.

Reward Tiers
Super Sea Snails are awarded to participants based on the size of their team, matches won, and ground covered, which dictate each player's Splatfest Title.

Splatoon
Splatfest EXP was earned by participating in and winning matches. Winning a match earned the player points based on their Splatfest Power, and a participation bonus was based on how many Battle Points worth of ground was inked during the match. Players who covered 200–399p worth of ground earned 1 EXP, and 400p or above granted 2 EXP. The player on the winning team with the highest Splatfest Power gained an additional 2 EXP. Players could earn a maximum of 11 EXP per match in the case that their team won, they had the highest Splatfest Power among their team, and they covered at least 400p worth of ground during the match.

One hour after Splatfest concluded, the results were announced during an Inkopolis News broadcast. Results were based on team popularity (the percentage of the vote each team received) and wins (the percentage of matches each team won). As of 2015, win percentage was worth 6× as much as popularity. Players were awarded Super Sea Snails based on the Splatfest Title they earned, and players on the winning team earned more Super Sea Snails than those on the losing team.

To collect prizes, players had to log into Splatoon before the next Splatfest theme was announced, as the new Splatfest announcement overrode the announcement of winners from the previous Splatfest.

Splatoon 2
Before Version, the experience meter was the same as in. The experience meter, inking bonuses, and win bonuses were increased by a factor of ten to allow whole number values for the new Synergy Bonuses.

The win bonus for the Splatfest title EXP points was based on what the opponents' Splatfest Power is.

Splatoon 3
The experience meter functions similar to how it does in Splatoon 2: earning a higher title leads to more Super Sea Snails at the end of the Splatfest. In Splatoon 3, upon reaching the Ruler title, players can continue refilling the 999 point meter to earn the title of Ruler +number, where number is the amount of times it has been refilled. For example, refilling it once changes it to Ruler +1, refilling it twice changes it to Ruler +2 etc. This additional number has no effect on the rewards. The titles were also changed to remove any gendered terms.

Splatoon
The final score was calculated based both on popularity and on wins. The formula in Splatoon was as follows:

When the Squid Sisters announced the results, the highest of the popularity and win percentages were both individually highlighted before the final results were shown.

The formula used to use, but this was changed in Version.

The formula was at first, but this was changed in Version.

Splatoon 2
In Splatoon 2, the final score is a tally of how many categories each team had a majority percentage in. There are three categories:
 * Popularity
 * Normal Mode Clout
 * Pro Mode Clout

Popularity is a straight percentage of how many joined each Splatfest team, while Clout is calculated as the average of each player's total Clout.

When Off the Hook announces the results, the highest of each category is individually highlighted before the final results are shown, just as in the previous game.

Before Version, the latter two categories were Solo Wins and Team Wins.

Splatoon 3
In Splatoon 3, each category has a scoring value attached to it, with the final score being the sum of the scores of the categories each team won. There are 57 points in total. There are five categories:
 * Sneak Peek (7 points)
 * Popularity (8 points)
 * Open Mode Clout (12 points)
 * Pro Mode Clout (12 points)
 * Tricolor Mode Clout (18 points)

Sneak Peek refers to conch shells collected for a team. Popularity is a straight percentage of how many joined each Splatfest team, while Clout is calculated as the average of each player's total Clout.

When Deep Cut announces the results, the highest of each category is individually highlighted before the final results are shown, just as in the previous games. The points are distributed in a way that a tie for 1st place is not possible, though there can be a tie for 2nd.

Before Version 3.1.0, the Sneak Peek was worth 8 points, Popularity was worth 10 points, and Tricolor Clout was worth 15 points. Before Version 2.0.0, there were only four categories, with Tricolor Clout being combined with Open Clout. Open Clout was worth 15 points while the other three categories were worth 10 for a total of 45 points.

Upcoming or ongoing Splatfests
No upcoming Splatfest events announced.

Past Splatfests
The following tables list all Splatfests in every region. Bold text signifies a Splatfest victory.

Splatoon 3
The Rock vs. Paper vs. Scissors Splatfest was separated by region in the Splatoon 3 Splatfest World Premiere, though all four regions had the same winner. Up until November 2023, Splatfests in were not separated by region.

Bold text indicates the winning team.

Italicized text indicates the team winning at the halftime announcement.

Delays
While the first Splatfest event in Japan (Rice vs. Bread) went by flawlessly, the first North American Splatfest (Cats vs. Dogs) was delayed. The reason given was because of matchmaking issues with Japanese players. The original schedule for the event was from 2015-06-20 at July 27, 2024 for 24 hours. Some days later, it was revealed that it would be moved to 2015-07-04 at July 27, 2024.

The first European Splatfest event (Rock vs. Pop), which was meant to start on 2015-06-27 at July 27, 2024, was equally postponed for one week so that it would take place on the same day as the North American one.

Later, the first Splatfest event held simultaneously worldwide (Pokémon Red vs. Pokémon Blue/Green) was supposed to have its results announced at the same time across all regions, despite the different start and ending times. Initially, the results were going to be announced on 2016-02-21 at July 27, 2024. However, despite notification of Callie and Marie's announcement, servers ended up being under maintenance half an hour before this, preventing the results from being received. Eventually, an hour later than intended, the servers were running again and players were able to view the results.

Trivia

 * Some randomly selected players are able to join as early as five minutes before the official start time for faster matchmaking.
 * If the game takes too long to find an enemy team for Splatfest, members of the same team will battle each other with regular colors. Players will still earn Splatfest points for these, but no Clout will be awarded. Prior to Version, the win was not counted when tallying up the results. The reason for this is likely to prevent the more popular team from having the decided advantage, as the more popular team will be more likely to have to battle each other.
 * In Splatoon, when Judd danced on his box, the pillow he slept on disappeared. It reappeared after the Splatfest when Judd went back to sleep. In Splatoon 2, he and Li'l Judd are moved to a different location while a Splatfest is going.
 * Many characters in both games will bob their head or start dancing while a Splatfest occurs, like Cap'n Cuttlefish and Spyke in Splatoon, Marie and Murch in Splatoon 2, and the Staff in Splatoon 3.
 * During the preparation for a Splatfest, the voting booth does not appear when the player is not connected to the internet.
 * The Fox and Tanuki statues in Inkopolis Plaza each represent opposite sides during a Splatfest. The Fox's bib and Tanuki's shirt changed color to match their team. The Fox and Tanuki represent Callie and Marie respectively.
 * Similarly, in Splatoon 2, the Tortoise and Origami Crane on top of Headspace and The Shoal in Inkopolis Square change colors during Splatfests, with the Tortoise's color changing and the Crane's pattern changing color to match Pearl and Marina respectively.
 * In Splatoon 3, while the statues in Splatsville do not change during a Splatfest, it is hinted by the song Anarchy Poisons that the bird, snake and pig statues do still represent Shiver, Frye And Big Man respectively.
 * Instead, the Tableturf Battle opponents Baby Jelly, Cool Jelly, and Aggro Jelly do change their bodies' colors to match the teams that Shiver, Frye, and Big Man are representing respectively.
 * The end pose of the dance Callie and Marie did during a Splatfest represented the two teams fighting each other.
 * According to dialogue in the localizations in Splatoon 2, Splatfest rules state that the option that won a Splatfest is legally better than the one that lost. This even holds true if Splatfest results contradict scientific consensus, as evidenced by Pearl's comments at the conclusion of the Chicken vs. Egg Splatfest.
 * In the same dialogue, Pearl refers to this rule as article 3, section 2 of Splatfest law.
 * Marina suggested during the opening banter for Squid vs. Octopus that such a Splatfest could be "dangerous" due to Splatfest law. However, in the post-banter, no mention was made of any repercussions.
 * In Japan, Team Hello Kitty and Team My Melody were the first two consecutive wins for Pearl, while Marina's first two European consecutive victories occurred in their respective Splatfest tournament of Team Donnie twice in a row.
 * In Splatoon and Splatoon 2, the player's clothing defaults back to the Basic Tee if they are an Inkling, or the Fresh Octo Tee if they are an Octoling, but in Splatoon 3, the player instead wears the Tri-Shred Tee regardless if they are Inkling or Octoling.
 * During the Squid vs. Octopus Splatfest, players on Team Squid were Inklings, and players on Team Octopus were Octolings, even if players had not yet unlocked Octolings by completing the Octo Expansion. Players kept the rest of their customization, such as gender, eye, and skin color, while having the default hairstyle for the character, if a player happened to be the opposite species.
 * The lifetime ink coverage tracked in SplatNet 2 counted the turf inked as the species the player appeared as during battle. Therefore, it only counted as an Inkling if the player was on Team Squid, even if they were playing as an Octoling.
 * After having selected a team and using the Splatfest booth in Splatoon 2, it is possible to view the winners of 10× and 100× battles. When viewing these before the Splatfest has begun, the screen shows no players, and placeholder text for the team name is shown instead as [Group] [Property] "Черный шлем для экстрима, Фиолетовые сушитапки 750с и Шпионский зонт «Родиччи»" — Russian for "Matte Bike Helmet, Purple Iromaki 750s and Undercover Sorella Brella" — while the player names are 0123456789 with each player having the Rainmaker as their weapon.
 * The special Frosty Fest Splatfest Fam vs. Friend was the first Splatfest to include a unique match start theme. This theme could only be heard in-game during this special Splatfest.
 * It can alternatively be heard here: [[Media:Frosty Fest Intro Music.mp3|Frosty Fest - Match Intro]].
 * Each Splatfest art in Splatoon 2 has a small signature next to it at the bottom left side, which denotes which artist made that artwork. For example Seita Inoue made the Retro vs. Modern Splatfest art as his signature is present on the art.
 * As of now three different artists have made Splatoon 2's Splatfest artwork.
 * In supplementary material for Splatoon 2, it was shown that the Squid Sisters chose teams for Splatfests despite not appearing in Inkopolis Square. Callie usually picked Pearl's teams and Marie picked Marina's.
 * In Splatoon 3, when a Splatfest has recently been announced, the Splatfest Floats and other decorations can be seen in the square.
 * The sun will also appear to be setting in the days before a Splatfest starts, and ink in the Battle Lobby begins to glow.
 * The Team with the highest popularity score in franchise history was Team Ninja (EU/OC) with 77%.
 * On the contrary, the team with the lowest popularity score ever was Team Bigfoot with 8.69%.
 * Marina currently has the longest Splatfest win streak, being 7 in Europe's Splatfests. Alternatively, Frye holds the record of the longest losing streak, being 8 in all regions except Japan.
 * In Splatoon, the Battle Dojo would use the nighttime theme during a Splatfest, being the only non-Splatfest mode to do so.
 * In Splatoon 3, the fish-like creature in Splatfest Stars seem to be based off of the appearance of the Splatfest Float when combined.
 * In Splatoon 3, during Splatfests with different themes in different regions, the Splatfest Tees worn by players participating in a different Splatfest will have the default appearance.

Splatfest Rank
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