Arrow keys to move, space to attack. It's a boss rush! Choose a difficulty, then fight all sorts of opponents from past, present, and even future! This is a beta version of the game. As such you can only fight up to boss 5 for now.
Songs used (in this version): Octo Canyon - Splatoon 2 Gods & Glory - Hollow Knight Daughter of Hallownest - Hollow Knight Main Menu (Inactivity) - Mario Party 9 Underneath - FNAF World