Demolition Racer: No Exit Cheat Codes:

-Gameshark Codes
This trick requires a Dreamcast Gameshark;

Always Plase First P1 BFB63A6A
00000000

Max Medallions P1 48AA1F2E
0000000B

Extra Poins P1 7805D3E5
00007530
-All Extras
At the "Press Start" screen, press L, R, X, L, X, R, X, Y to unlock all game extras.

-All Game Modes
At the "Press Start" screen, press X, R, Y, R, L, R(3) to unlock all game modes.