Ammunition refill
Press [Circle]x4, [L1], [Circle], [L1]x2,
[Circle], [L1]x2, [Circle], [L1]x4
Restore energy
Press [Circle], [L1]x3, [Circle], [L1],
[Circle]x2, [L1], [Circle]x3, [L1]x5, [Circle]x2,
[L1]
Level select
Press [L1], [Circle], [L1]x3, [Circle]x4,
[L1]x2, [Circle]x2, [L1], [Circle], [L1],
[Circle]x4. Press [R1] or [R2] to select a level.
Passwords:
| Stage | Easy | Normal | Hard |
| 1-2 | Q58NM | LDZCQ | 4HWGE |
| 1-3 | TDM75 | UH8OT | X06BE |
| 1-4 | VO1PP | JCP6V | H4ULJ |
| 2-1 | 0F20F | 0HX8Y | OE95W |
| 2-2 | 42W3T | JGK-P | 5K5H7 |
| 2-3 | VR4T2 | 6EZD5 | SHCMM |
| 2-4 | 1NBCX | CXVI6 | PA3K1 |
| 2-5 | ZF0XD | Y5KXJ | Q2NGZ |
| 3-1 | 2XVSD | AHO3J | S2MF- |
| 3-2 | W0J8H | 3Y8-D | -7FRU |
| 3-3 | THYDH | 0MZDU | 3CZFK |
| 3-4 | 1SOJ3 | 130BP | V2MW8 |
| 4-1 | YCTS6 | PUUKS | 28SD1 |
| 4-2 | Q29LH | UDUY4 | 21FSD |
| 4-3 | WS7Y6 | HQPIW | BOFGK |
| 4-4 | 2RHK4 | RB9RU | Z1IT2 |
| End | UP405 | C42R1 | 2MP3P |