Spreader Splatfest
From Inkipedia, the Splatoon wiki
Campaign
The 7th level in the single-player campaign.
Sunken Scroll
If you need help finding the Sunken Scroll, go to this video [1] and skip to 3:17. The writer nor this site own this video. Video is property of Jirard "Dragonrider" Khalil AKA The Completionist and That One Video Gamer. Subscribe to their YouTube channel if you haven't!
Amiibo
There are 3 other versions of this level that can only be played through their respective Amiibo.
