Laser Cannon 3, the funny physics-based shooting game, has new locations, new monsters and new gear. It's up to you to save our planet one more time against a bunch of annoying alien creatures. Clear each stage using your mighty cannon. The fewer shots you use, the better. Aim well before you fire and make sure that every shot is a hit. These strange creatures must be destroyed and you are the only person who can do it. Are you ready for this responsible task?