Midnight Club 3: DUB Edition [PSX]

Go into the options screen, then go into the cheats screen and type the code in with the onscreen keyboard:

Effect - Code
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`
Unlocks a H1 - Kubmir
It unlocks the Lexus GS 430 and the Cadillac CTS-V. - rimbuk
All Cities In Arcade Mode - roadtrip
No Damage - ontheroad
Faster Pedestrians - urbansprawl
Increase Car Mass In Arcade Mode - hyperagro
Argo Special Move - dfens
Zone Special Move - allin
Roar Special Move - Rjnr
Chrome Head - haveyouseenthisboy
Flaming Head - trythisathome
Yellow Smile Head - getheadj
Pumpkin Head - getheadk
Bunny Head - getheadl
Snowman Head - getheadm

Unlock Atlanta cop
Beat the game.

Unlock Detroit cop
Beat the game.

Unlock El Diablo Rigid
Beat vanessa three times in career mode.

Unlock Nissan Skyline
Beat all 13 tuner race tournaments.

Unlock Skully
Beat all the races for the Chopper of America Bike club to unlock a skully.