CheatCodes.com has all the official Codename: Tenka PSX cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Tuesday June 18, 2013 for Codename: Tenka are shown below.
Pause the game, hold L1, press Triangle, R1, Triangle, Square, R1, Circle, Square (2), then release L1.
Pause the game, hold L2, press Circle(2), Square, Triangle, R1, Square, Triangle, Circle, then release L2.
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