Controls Beat Hazard can be played using Mouse & Keyboard or a Game Controller.
Mouse & Keyboard Use the mouse to move the cross hairs and 'left button' to fire. Use 'A' 'D' to move left & right. Use 'W' 'S' to move up and down. Use 'Space' to fire your Super Bombs. When you unlock the other perk weapons, they are fired using 'E' 'F' and 'Right mouse button'. 'Esc' to pause the game.
All the above can be reconfigured in the settings screen.
Gamepads If you use an Xbox or PlayStation controller it should be detected and auto configured by the game. If you're using a different brand of controller you will be taken to the control configure screen.
The default controls are: 'Left stick' move 'Right stick' aim and fire Weapon 1 (Super bombs to start) 'Left Trigger' Weapon 2 'Right Trigger' Weapon 3 'Left Bumper - LB' Weapon 4 'Right Bumper - RB'
Perk Weapons As you level up you can unlock up to 8 perk weapons. 4 of these can be active at any time. In the perk menu you can assign which weapon button activates which weapon.
Menu Keys When looking at the music menu you can press any key to auto scroll to an item beginning with that 'Letter' Page up and down also works. On a game pad, use the triggers to page up and down.