WASD - Move Space/Click - Shoot Ships: Classic - All-round good ship. Defender - More health, but has a gatling gun that requires a short spin-up time and also overheats. Powers: Health Canister - Restores lost health, save for a dire health situation. Shield Generator - Makes you invulnerable to Lemonoids for 5 seconds. Super Laser Module - Powers up your lasers for 3 seconds. Decreases score accumulation. Shielded Health Canister - Grants you a low level shield and a small health boost. Useful in a tight situation. Lemon Burster - Unleashes 30 bolts from the player outwards at one time, damaging anything in their way.