Octo Valley (mode)

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Octo Valley
Octo valley badge.png
Type Single-player mode
Players 1
Ranked No
Weapons S Weapon Main Hero Shot Replica.png Hero Shot
Specific sub weapons
Specific special weapons
Controllers Wiiu-gamepad-icon.png GamePad
Release Date Launch
This article is about the mode. For the location by the same name, see Octo Valley.
Use your smarts and squid powers to save the Great Zapfish for the evil Octarian army in single-player story mode. Go get those Octojerks, bucko!
Splatoon's official website

Octo Valley (also known as Hero Mode) is a single-player game mode in Splatoon. It involves the player donning the Hero Suit and venturing into a hidden underground valley where the Octarians dwell, to rescue Inkopolis' stolen Great Zapfish and defeat the Octarian menace.


After the Great Zapfish, Inkopolis' primary power supply, is stolen, Cap'n Cuttlefish employs a Splatoon of Inklings to travel to the Octarians' secret underground base and retrieve it. Players assume the role of Agent 3 of the New Squidbeak Splatoon and traverse the treacherous landscape of Octo Valley in order to reclaim various lost Zapfish, Sunken Scrolls, and Power Eggs.


Octo Valley incorporates various puzzle mechanics and 3D platforming elements. Gameplay has been compared to Turf War and Super Mario Galaxy, in the sense that it sees players shooting ink to defeat enemies, transforming into a squid, and traversing floating platforms. The player's only available weapon in Octo Valley is the Hero Shot, a modified version of the Splattershot.


See more: Mechanics

Many different mechanics make an appearance in Octo Valley, such as Inkrails, Sponge Blocks, and Balloon Fish. These elements behave in various ways and can help or hinder players' progress.


Area 1

Area 2

Area 3

Area 4

Area 5


In Octo Valley, players don the Hero Suit and are equipped with a variety of weapons.

Hero Suit

The Hero Suit is a special outfit worn by Agent 3 and other members of the New Squidbeak Splatoon. It appears to be largely gray with blue highlights and triangular-shaped earpieces. Many of the Hero Suit's specific functions are unknown.

Hero Shot

The Hero Shot is a modified version of the Splattershot, usable only in Octo Valley. It is able to be upgraded by spending Power Eggs.

Ink tank

The ink tank holds Inklings' ink content. It is depleted by using weapons and can be replenished by swimming in ink of the player's color. The ink tank can be upgraded by spending Power Eggs.

Splat Bomb

Splat Bombs in Octo Valley behave very similarly to the Splat Bombs found elsewhere in Inkopolis. They are pyramidal with four transparent faces. Like the Hero Suit, they adopt a gray and light blue color scheme. When thrown, Splat Bombs explode after a short amount of time. This weapon can be upgraded by spending Power Eggs.

Burst Bomb

Burst Bombs in Octo Valley behaves very similarly to the Burst Bombs found elsewhere in Inkopolis. They are shaped like water balloons, and, like the Hero Suit, adopt a gray and light blue color scheme. When thrown, Burst Bombs explode immediately upon contact. This weapon can be upgraded by spending Power Eggs.


Seekers in Octo Valley behave very similarly to the Seekers found elsewhere in Inkopolis. They appear to be small, mechanical devices that travel on the ground toward nearby enemies, leaving trails of ink in their wake. Upon reaching an enemy or after traveling for a short time, they explode into a burst of ink. Seekers can be upgraded by spending Power Eggs.


Agent 3 wearing armor.

Armor can be found throughout Octo Valley. When wearing it, Agent 3 appears to be wearing a helmet and safety pads and can take extra damage without getting hurt.

Special weapons

Special weapons can be found throughout Octo Valley in the form of canned specials. Upon collecting a canned special, a certain special is immediately charged up.


Many types of collectibles can be found in Octo Valley.

Power Eggs

Power Eggs appear to be small, orange fish eggs that can be found throughout Octo Valley. They can be collected by splatting Octarians, destroying crates, and shooting or running near individual ones scattered around the environment. They are used for upgrading equipment.

Sunken Scrolls

Sunken Scrolls are rolled-up pieces of paper that can be found in Octo Valley. They are long-lost drawings and other pieces of information that depict the history and lore of Inkopolis. One Sunken Scroll can be found in each level of Octo Valley. The scrolls earned from boss battles grant the player new weapons for use in online play.


The player is awarded a full replica of the Hero Suit set (the Hero Headset Replica, Hero Jacket Replica, and Hero Runner Replicas) and a set of Octoling gear (the Octoling Goggles, Octoling Armor, and Octoling Boots) when defeating the final boss. Also, the Sunken Scrolls found in each boss stage unlock further weapons in Ammo Knights that are available for purchase once the appropriate level requirement is met.


Image Fictional Band Song Name Audio
S Icon Cap'n Cuttlefish.png
N/A Cap'n Cuttlefish's Theme
S Icon Sunken Scroll.png
Sunken Scroll
S Band Turquoise October.jpg
Turquoise October Eight-Legged Advance
Tentacular Circus
Inkstrike Shuffle
Octoling Rendezvous
S Band DJ Octavio.jpg
DJ Octavio I am Octavio
I am Octavio (variant during missile fire)
S Band Squid Sisters.jpg
Squid Sisters Calamari Inkantation
Maritime Memory


  • Boss battles feature a quiet but startling mechanical ambience accompanied by screeches and moans that sound similar to Zapfish cries. This usually cannot be heard due to music and sound effects during gameplay but is easy to listen to before and after battles. The source of these eerie noises is unknown. When asked about the noises, Splatoon director Tsubasa Sakaguchi responded "It's the first time I've heard this! I was the one who was in charge of the mechanics and the effects for the final boss. Towards the end, though, I was running out of time so I was asking the staff around me to do things for me - like the staff credits and many other things. Maybe it's a curse from those other staff. The final boss was one of the last things that we were working on. We were all high on adrenaline. Maybe there's some element of that in there, of that energy in there. Once I go back to Japan, I'll play it and have a look."
  • When Cap'n Cuttlefish is kidnapped, replaying previous missions also has his dialogue missing.


Click to view the gallery for Octo Valley (mode). View the gallery.

Names in other languages

Octo Valley
Language Name Meaning
FlagNetherlands.svg Dutch Octovallei Octo Valley
FlagQuebec.svg French (NOA) Octovallée Octo Valley
FlagSpain.svg Spanish Valle Pulpo Octopus Valley
Hero Mode
Language Name Meaning
FlagJapan.svg Japanese ヒーローモード
Hīrō Mōdo
Hero Mode
FlagNetherlands.svg Dutch Heldenstand[1] Hero mode
FlagFrance.svg French (NOE) Mode Héros Hero Mode
FlagGermany.svg German Heldenmodus Hero Mode
FlagItaly.svg Italian Modalità storia Story mode
FlagRussia.svg Russian Режим «Агент»
Rezhim «Agent»
Режим героя[2]
Rezhim geroya
Agent mode

Hero mode
FlagSpain.svg Spanish (NOE) Modo héroe
Modo historia
Hero mode
Story mode
FlagCzechRepublic.svg Czech Hero Móda Hero Mode
FlagHungary.svg Hungarian Hős mód
Hero Mód
Hero Mode
FlagPoland.svg Polish Tryb Hero Hero Mode
FlagPortugal.svg Portuguese Modo Hero Hero mode


External links