Aim with mouse Fire with space J to upgrade, if you have 60 points
Update 1: Added SFX. Background Music. Redesign Of The Rocket Launcher. Update 2: Random Enemy Number. Update 3: Centered The Player. Faster Reload Time. Update 4: 10 UFO Enemy Cap. Faster Reload Time. Upgrade Added. Random Point Amount. Update 5: Upgrade Finalized. Added Bonus Enemies When Upgraded. New Sprites. More SFX.