| Keyboard Controls | Scoring | ||||
|---|---|---|---|---|---|
| Key | Description | Key | Description | Object | Points |
| S | Start Game | Space | Fire Cannon | Large Asteroid | 25 |
| ← | Rotate Left | H | Hyperspace | Small Asteroid | 50 |
| → | Rotate Right | P | Pause Game | UFO | 250 |
| ↑ | Fire Thrusters | M | Toggle Sound | Missle | 500 |
| ↓ | Fire Retro Thrusters | D | Toggle Graphics Detail | ||