T'ai Fu: Wrath of The Tiger (PSX)

Map cheat mode:
At the map screen, press R2, Triangle, R2, Triangle, Circle, Down, Square. Then use the following codes at the map screen:

Level-Boss select	R2, Triangle, R2, Triangle, Circle, Square, Down, Triangle, Up, Right, Left, Down, Up, L1
Story-Style select	R2, Triangle, R2, Triangle, Square, Circle, Down, Triangle, Up, Left, Right, Down, Up, L2
Credits-FMV sequence	R2, Triangle, R2, Triangle, Down, Square, Circle, Triangle, Up, Down, Left, Right, Up, R1

Game play cheat mode:
While playing, press R2, Triangle, R2, Triangle, Circle, X , Square. Then use the following codes while playing:

Invincibility	R2, Triangle, R2, Left, Right, R1
Infinite lives	R2, Triangle, R2, Left, Right, X
Larger enemies	R2, Triangle, R2, Left, Right, Up
Smaller enemies	R2, Triangle, R2, Left, Right, Down
Full health	R2, Triangle, R2, Left, Right, Circle
Full Chi	R2, Triangle, R2, Left, Right, Square
Stealth mode	R2, Triangle, R2, Left, Right, R2
All Kung Fu styles	R2, Triangle, R2, Left, Right, Triangle
Enemies gush blood	R2, Triangle, R2, Right, Left, Right

See whole map:
Between levels (while T'ai Fu is walking) press R1 & R2 at the same time. You
will then be able to walk across the whole map and explore. Press Circle at any
time to face the final boss with all styles.

(from Jon Koh -jkc88@usa.net)

Debug Mode:
Finish any level to access the map screen. Press Select + L1 + L2 + R1 + R2.