| name |
| Zero Hour - Fire |
| Zero Hour - Asteroid Hit 1 |
| Zero Hour - Asteroid Hit 2 |
| Zero Hour - Enemy Ship Descends |
| Zero Hour - Enemy Shield Hit |
| Zero Hour - Crash and Die |
| Zero Hour - Enemy Fire |
| Zero Hour - Bonus Round Time Running Out Loop |
| Zero Hour - Thrust |
| Zero Hour - Background Sound Loop |
| Zero Hour - Bonus Round Score Accumulate Loop |
| Zero Hour - Credit |
| Zero Hour - Asteroid Hit Red |