- "s": shoot
- "space": jump
- "<-": go left
- "->": go right
- You can shoot enemies and they will disappear.
- If you are touched by enemies or stones, you will die and game over.
- Enemies are generated at right bottom corner and left bottom corner one by one.
- All stars are randomly moving, if you catch all the stars, you will win, game stop.
- If you touch star, the star will disappear, and the score at the right top corner will increase.