Spreader Splatfest
From Inkipedia, the Splatoon wiki
The Spreader Splatfest is the seventh mission available in single player Hero Mode.
Octo Valley
Walkthrough
Sunken Scroll
Amiibo
There are 2 other versions of this level that can only be played through their respective Amiibo. Each Amiibo uses a different weapon for the stage. The Inkling Girl challenges revolve around a Splat Charger and the Inkling Squid uses the same Hero Shot from the normal campaign, except in this stage there is a time limit and you use the kraken power-up for the entire stage.