Most of the game is explained in the tutorial. It is a 2-player local multiplayer game.
TO USE SWORD SLASHER SPECIAL:
For player 1, use ", . /", and for player 2 use "1 2 3". These 3 inputs can be combined in different ways for different results.
111 or ,,,: Teleport forward
123 or ,./: Conjure a spear to launch forward
122 or ,..: Summon a sword to quickly fly around you
323 or /./: ORBITAL STRIKE!!!!
Also, on the title screen you can input: up up down down left right left right B A Enter. This lets you play as Red Guy and Blue Player, the OG stick fighterz! (P.S We're really sorry for not including this last time)