Redline

Redline cheat codes: 
To enable the cheats, hold down the [G]+[0]+[D] keys while in
the game all at once. This should bring up a text area
were you can input the cheats.

IMMORTAL   - God mode on
MORTAL     - God mode off
RETICLE    - Smart Reticle; turns red when over a target
CAMERA     - Third person view when on-foot
ALLAMMO    - All on-foot weapons have max ammo
TARGETS    - Targeting for on-foot weapons
DMDAMAGE   - Double damage when on-foot
RADAR      - On-foot radar
CW         - All car weapons
CA         - Max car ammo
STONEAGE   - Running person in place of car
CAROFF     - No car geometry
CARFLIP    - Flip car geometry
CARREVERSE - Reverse car geometry
WHEELSOFF  - Toggle car wheels