1. R1JT-R60T - Master code, must be entered

2. AD1T-AAE0 - Infinite lives

3. AA5A-AAC8 - Infinite nova smart bombs

4. BE7A-RAA4 - Start with 9 nova smart bombs

5. AY7A-RAA2 - Start with weapons upgraded, player 1 only

6. BDLA-AA9Y - Don't downgrade weapons when killed

7. AA6T-RAF2 - Limit enemy bullets on screen to 1

8. AN6T-RAF2 - Limit enemy bullets on screen to 4

9. AY6T-RAF2 - Limit enemy bullets on screen to 6

10. NA6T-RAF4 - Enemy bullets travel very slow

11. 966T-REF4 - Enemy bullets travel very fast