Wing Commander – Prophecy – Gameboy Color

Wing Commander - Prophecy - Platform: Gameboy Color

Mission Select
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At the main menu press: Up, Up, L, R, Down, Down, A, A, B, A. 

Invincibility
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At the main menu press: Up, Down, A, B, Left, Right, L, L, R, R, B, A. 

Alien Ships in Tactical Database
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To view all of the alien ships in the Tactical Database input 
the following sequence at the ''Press Start'' screen: R, L, A, A, A, B, 
Up, Left, Down, Right, Up, A. If done correctly, the screen will flash 
and a sound effect will be played.