Test Drive 4
Enter the "Save Game" screen and select slot ten. Then, enter one of the following save game names and press [Enter] to activate the corresponding cheat function. If you entered the code correctly, you will hear the sound of a horn. Note: Multiple cheat codes may be enabled simultaneously, however all players in a mutliplayer game must use the same cheat code or risk crashing the game.
| Result | Cheat Code |
| All cars | SRACLLA |
| All tracks | LEVELLLA |
| Drive on drugs | SPAZZY |
| Monochrome mode | BANDW |
| Large Cars | MIKTROUT |
| Small Cars | MPALMER |
| Enable Fast forward mode | GONZON |
| Disable Fast forward mode | GONZOFF |
| Top view | BIRDVIEW |
| Nitro boost by pressing X | NITROXXX |
| Enable color mode from monochrome screen | COLOUR |
| No CPU racers in multiplayer game | NOAICARS |
| No airborne collisions | STICKIER |
| No collisions | AARDVARK |
| No 3Dfx special effects | ITSLATE |
| Special credits sequence | CREDITZ |
| Bonus credit sequence | BOBCRED |
| View credits | MASTER |
| Extra programmer's credits | ASTIDERC |
| Extra programmer's credits | TSTIDERC |
| Extra programmer's credits | DSTIDERC |
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