Beat the game by fighting through 6 increasingly difficult stages. Unlock the extra stage and boss rush by beating the main game. Find a way to unlock the tough secret stage.
Fight Bosses
Fight many fearsome bosses that block your way.
Buy Upgrades
Choose from a variety of upgrades in the shop.
Green shot The basic starting shot type. Upgrading this adds up to a total of 4 green shots.
Health refill Use this option to fully refill your health.
Yellow shot This shot type shoots off to the sides. Upgrade to get 4 of these shots.
Penetrator A shot that penetrates through all enemies. Upgrade for a total of 5 beams.
Homing These shots will never miss their target. Upgrade to get a total of 4 homing shots.
Ally An unkillable ally that will bounce around the screen and block projectiles. Upgrading this will allow your ally to shoot.
Shield A rechargeable shield that blocks 1 hit. Upgrading this increases the number of hits it can block.
Bombs
Bombs give you invincibility for a short time and do massive damage to enemies. Choose from 2 different bomb types to use. You can buy more bombs in the store.