Blue: WAD to move, Q to take out or put back sword, S to use sword, E to place boom, Z to shoot a rocket, X to build a wall, C to (placeholder so it just makes a sound). Red: IJL to move, U to take out or put back sword, K to use sword, O to place boom, N to shoot a rocket, M to build a wall, "," key to (placeholder so it just makes a sound). Destroy the other team's rectangle and have them ded to win.
Updates: C and "," key functions, Red's controls are shifted back. Credits: McGuy for platformer script (yet again) Scratch Team for keeping the Pen block type as an extension (I used it for the destruction of the blocktowers and the blocktowers themselves) GFink on Roblox for making Doomspire Brickbattle, which this game is heavily inspired by.