Thanks for the linux build! I have to be honest though, I quit the game after playing it for 5 minutes. These are the wierdest keybinds I have every played with. Either change them up like make jump Spacebar (Why in the world is it Z?) or make configurable keys.
You can go to the Settings in the Main menu then press the "brawlhalla style", it changes the controls to jumping with SPACE moving with WASD and attacking with the mouse.
* EDIT * The "brawlhalla style" Keybindings are now the default Keybindings in the new version.