Enter these codes at the code entry screen under Secrets. Note that each individual game disc has a few random bonus codes. Only the particular cheats made for the bonus codes of your game disc will work. You get a different bonus code every time you turn off the system and restart the game.

Use the following code: RTNITJ
Use this code: ZCNGMW
Enter the following code at the entry screen: IRZQNT
Enter the following code at the code entry screen: FEQRJV
Enter the following code at the code entry screen: HCHSFD
Enter this code: CLRWTR
Use this code: CFCKGL or YFHPGW.
Use this code: AIDLAU
All tracks: BSDJUC

Expert mode: HIQNRM

All parts: FUDWHC

All tests: DMLPOD

Mirror tracks: EPDZJF
Win the Group B Rally Championship.
Win the Group B Rally Championship.
Get to the fifth event in 4WD Championship on Normal difficulty.
Place 1st or 2nd place in 4WD Championship on Advanced difficulty.
Win the 2WD Championship on Advanced difficulty.
Place 1st or 2nd in 2WD Championship on Advanced difficulty.
Win the 4WD Championship with Normal difficulty.
Place 1st or 2nd in 4WD Championship using normal difficulty.
Reach the fifth event in 2WD Championship using Advanced difficulty.
Win the 2WD Championship, using normal difficulty.