• Movement: ←, →
  • Change speed of movement and shooting: ↑, ↓
  • Rotate: A, D
  • Fire: Space
  • Pause: Escape


Shoot down the blocks that come down from above.
However, the bullets you shoot will ricochet. If you are hit, your life will be reduced, and when it reaches 0, the game is over.

Blocks that reach the bottom of the screen will pile up and push up the line of your ship.
The stacked blocks disappear when they are aligned horizontally, but the game is still over when the line rises to the outside of the screen.

Make full use of items and bullet speed changes to avoid being hit by bullets and score a good score!