Wing Commander - Prophecy - Platform: Gameboy Color Mission Select -------------- At the main menu press: Up, Up, L, R, Down, Down, A, A, B, A. Invincibility ------------- At the main menu press: Up, Down, A, B, Left, Right, L, L, R, R, B, A. Alien Ships in Tactical Database -------------------------------- 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.