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 many fearsome bosses that block your way.
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.
A shot that penetrates through all enemies. Upgrade for a total of 5 beams.
These shots will never miss their target. Upgrade to get a total of 4 homing shots.
An unkillable ally that will bounce around the screen and block projectiles. Upgrading this will allow your ally to shoot.
A rechargeable shield that blocks 1 hit. Upgrading this increases the number of hits it can block.