| All Characters |
| Press Down(5), R(2) at the "Press Start" screen. The sound of a chicken will confirm correct code entry. |
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| All Upgrades At Maximum |
| Press Up, Right, Down, Left, R, L(3) at the "Press Start" screen. The sound of a chicken will confirm correct code entry. |
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| Level Select |
| Press Up, Down, Up, Down, L, R, L, R at the "Press Start" screen. The sound of a chicken will confirm correct code entry. |
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| Unlimited Lives |
| Press Right(3), Up(2), L(2) at the "Press Start" screen. The sound of a chicken will confirm correct code entry. |
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| Unlock Lucky Duck |
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Finish the game with all five default characters under normal or advanced difficulty.
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| Unlock Max Sterling In Vermilion Squad |
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Finish the game as Max Sterling under normal or advanced difficulty.
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| Unlock Miriya S. In Female Power Armor |
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Finish the game as Miriya S. under normal or advanced difficulty.
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| Unlock Rich Hunter In Fanjet |
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Finish the game as Ben Dixon under normal or advanced difficulty.
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| Unlock Rich Hunter In Trainer Veritech |
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Finish the game as Rich Hunter under normal or advanced difficulty.
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| Unlock Roy Fokker In F-203 Dragon II |
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Finish the game as Roy Fokker under normal or advanced difficulty.
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| Unlock Secret Eleventh Pilot/Veritech |
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Finish the game with all five default and five secret pilots under normal or advanced difficulty.
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