- Hold down a number key (0...9) and press space to start on the corresponding level.
- On the Otto icon, hold down F10 and press space to bring up a level cheat menu. You can also press BACK + START simultaneously a gamepad.
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Press B, R, I simultaneously to fill heealth and fuel.
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` + F1 = Fill rocket fuel
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` + F2 = Full health
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` + F3 = Full jump jet
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` + F4 = Fill weapons
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Press F8 to bring up debug mode.
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Press backtick (`) and F9 to warp to a point of interest in the map.
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Press backtick (`) and F10 to win the level.
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Press backtick (`) and the Plus key on the keypad to speed up the game.