Monster Truck Madness 64 Codes -

Low rider trucks:
Enter YRDR as a password.

Full time missiles:
Enter Y_WNT_T as a password to have unlimited missiles. Note: "_" indicates a space. To use the missiles, press during game play.

Gut bomb:
Enter BRPS as a password.

Turbo mode:
Enter CFFNYN as a password.

Programmer images:
Enter JMPNG as a password to place a picture of one of the game's programmers on various surfaces.

Weird textures:
Enter JMPR as a password. Select "Done" and "JIM" will appear in the square. Press , select "New Game", then choose "Summit Rumble". Select any number of players, but many CPU trucks. When game play begins, the background will be black and white, black squares with aliens or other objects in the middle will appear, and someone's picture will appear on the ground.

Jet-pack power-up:
Hold + + + + + then press at the main menu to begin a level.

All levels:
To access all levels for time trial or custom race, unlock the Death Trap track then press at truck selection screen. Start your own race or time trial under the expert difficulty setting and all tracks can be accessed.

Aztec Valley track:
Successfully complete a circuit under the easy difficulty setting.

Alpine Challenge track:
Successfully complete a circuit under the medium difficulty setting.

Death Trap track:
Successfully complete a circuit under the hard difficulty setting.

Horn:
Press to use the horn. Note: There are many different type of horns that are randomly assigned at the beginning of a race.

Sound effects:
Press to hear "Yahoos", burps, and farts.

 

Level	Password
Beginner
Ruins	G[Up Arrow][Star]NJ2L0
Junk Yard	J[Star]XQYN4G
The Heights	M[Star]OT1Q9R[Left Arrow]
Voodoo Island	P[Left Arrow]3W4TC[Star][Left Arrow]F[Up Arrow]
Greenhill Pass	5[Up Arrow]627WFX9[Left Arrow]23G
Wasteland	V[Left Arrow]92[Up Arrow]2[Down Arrow]0CL56B5V
Aztec Valley	YYC5D2L3F[Right Arrow]89[Down Arrow]8[Right Arrow]B7
Intermediate
Ruins	GBGJ5MTL
Junk Yard	JNJMQL7S
The Heights	MJMPT[Right Arrow]XRN
Voodoo Island	PJPSWR0[Star]89R
Greenhill Pass	SBSV2[Star]3XBC[Up Arrow]4[Down Arrow]
Wasteland	VBVY2X60[Down Arrow]FD7B2M
Aztec Valley	YFY15093H[Left Arrow]G[Up Arrow][Down Arrow]5675
Alpine Challenge	1N1483C6KLJDH89[Up Arrow]G4N
Expert
Ruins	GKGH[Up Arrow]G[Star][Left Arrow]
Junk Yard	JGJKLJP[Star]
The Heights	MSMN[Right Arrow]M7QW
Voodoo Island	PKPQRP[Up Arrow]T793
Greenhill Pass	SKST[Star]SDW[Up Arrow]C61R
Wasteland	VOVWXVGZDF9463R
Aztec Valley	YGY209YJ2G[Left Arrow]C796462
Alpine Challenge	101231M5JLF[Up Arrow]C979S0D
Death Trap	404564P8M[Right Arrow][Left Arrow]DFC[Up Arrow]CV32KC