Octo Canyon (location)

Octo Canyon is a hidden location near Inkopolis Square, which serves as the setting of the single player mode in Splatoon 2.

Description
Octo Canyon is the single player campaign mode available at the start of the game, there are five sections with each one having a boss kettle and several invisible kettlegreen for normal levels. Each level contains a Zapfish (including the bosses) that must retrieve to end each level. Sometimes though, there are mini zapfish. while getting one will do you nothing you must get all eight of them.