| Effect |
Code |
| Free Continue |
When you lose a game Hold Down + A |
| Hard Mode |
At the screen before the game begins press B, B, B, B, hold Up + Left, press Start |
|
| Effect |
Code |
| Autofire |
OXUONISX
|
| Freeze timer |
SXUPZGVG
|
| Infinite lives |
AEUOLTPA
|
| Slow down timer |
NNXOYGEK
|
| Speed up timer |
AVXOYGEG
|
| Start on world 2 |
XZEAUOOZ + PAEAKPAA + VAEASPSA
|
| Start on world 3 |
XZEAUOOZ + ZAEAKPAA + VAEASPSA
|
| Start on world 4 |
XZEAUOOZ + LAEAKPAA + VAEASPSA
|
| Start on world 5 |
XZEAUOOZ + GAEAKPAA + VAEASPSA
|
| Start on world 6 |
XZEAUOOZ + IAEAKPAA + VAEASPSA
|
| Start on world 7 |
XZEAUOOZ + TAEAKPAA + VAEASPSA |
| Start with 1 life |
PEUPPTLA + PLVOLTLL
|
| Start with 6 lives |
TEUPPTLA + TLVOLTLL
|
| Start with 9 lives |
PEUPPTLE + PLVOLTLU
|
| Start with and keep laser missiles |
AEUOVIGA
|
|
