Codename:Tenka is a solid early Sci-Fi FPS from Psygnosis.
Some leftovers from a demo version. The "Coming in 1996" image is repeated multiple times.
Use the following code to exchange "QUIT GAME" to debug menu in pause menu.
D00A88A0 5584 800A88A0 67B8
Enable/Disable infinity ammo.
Enable/Disable infinity hps.
Add all weapons.
Add some cheats menu in pause menu. These are same menu in cheats.
Hold L1 and press Triangle, R1, Triangle, Square, R1, Circle, Square, Square to add "all weapons" to pause menu.
Hold L2 and press Circle, Circle, Square, Triangle, R1, Square, Triangle, Circle to add "level warp" to pause menu.