Monster Truck Madness 64 cheats and cheat codes for Nintendo 64

Turbo mode: Enter "CFFNYN"
Change textures: Enter "JMPNG"
Low rider trucks: Enter "YRDR"
Gut bomb: Enter "BRPS"
Unlimited missiles: Enter "Y WNT T" Note: There are two SPACE in this code

Change track color: Enter "JMPR"
Choose "Done" and "JIM" will appear in the square. 
Hit Start, choose "New Game", after select "Summit Rumble". 
Choose any number of players, but many CPU trucks. 

Unlock Aztec Valley track
Finish a circuit on the easy mode

Unlock Alpine Challenge track
Finish a circuit on the medium mode

Unlock Death Trap track
Finish a circuit on the hard mode

Unlock all tracks in custom race or time trial mode:
First unlock the Death Trap track, after go to the truck selection 
screen and hit B. Start your own race or time trial in expert mode 
to access all tracks.

Level passwords

Beginner mode: 
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 mode: 
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 mode: 
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