"Asteroids" may be iron-nickel, chondrites (rocky), or cometary (ice). They are different colors, and their behavior is different when broken up.
| Key commands | |
|---|---|
| Left/right arrow | Rotate left/right |
| Forward/back arrow | Accelerate forward/backward |
| Spacebar | Fire torpedo (auto-repeats) |
| Shift | Fire torpedo backward |
| B | Launch bomb (finite life) |
| C | Launch bomb (infinite life) |
| M | Drop mine (finite life) |
| N | Drop mine (infinite life) |
| D | Detonate oldest mine |
| R | Repair (increases condition and energy; costs 1000 points) |
| A | Re-arm (costs 1000 points) |
| P | Pause/Un-pause |
| Q | Quit |
Java security permissions: this game uses the internet to transmit the score at the end of each game. It can be run in sandbox mode, but scores may not be transmitted.