Star Trek Invasion Cheats for PlayStation
Enter the following combo at the mission select screen:
Up, Left, Down, Right, Up, Right, Down, Left, Up, L1 + R1, L2 + R2.
The screen should then flash. (ooo!)
You can then access new cheat functions when you pause the game.
At the level selection screen(stellar cartography)enter the following:
If entered correctly, a message should appear.