關於此遊戲

6 stages

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.