Aaron, with his superpowers, is the only one who can infiltrate into the enemy territory and destroy it.
A particular beam color will affect a character/object with the same color. However white will affect, or will be affected by all except black.
Use direction keys for movement.
Press 'Z' to change color, 'Shift' to fire.
Also some combinations of direction keys, used with 'Shift' will shoot in a particular direction (eg. Pressing 'Top' and 'Right', along with 'Shift' will shoot in the top right direction).
Press 'Space' to jump/double jump.
Press 'Space' with 'Down' to drop down a platform.