Cheat mode
Enter "0601" as a password and ignore the invalid password message. Press Start to return to the command center. Then begin a game and hold Select + Up to move up vertically. Press Left or Right to move in that direction, or Select + Down to move down vertically. Hold Select + A to obtain the Noisy Cricket super-gun. If you entered the code correctly, a lightning bolt will appear next to the number of lives remaining.
Level skip
Enter "2409" as a password and begin a new game. Pause the game and press Select to advance to the next level. Pause the game and press A to advance to the next stage within the current level.
View ending sequence
Enter "1943" as a password.
Level passwords
| Level | Location | Password | | 2 | Manhattan | 2710 | | 3 | Sewers | 1807 | | 4 | Airport | 0309 | | 5 | Rooftops | 2705 | | 6 | Forest | 3107 |
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