Unreal II: The Awakening Cheats

Unreal II: The Awakening Hint: Haul More People on Vehicles
To get three or more people on each vehicle, and have other players jump on the car while it's full. Then, the players on top of the vehicle will need to duck and they should stick on the vehicle without falling off.

Unreal II: The Awakening Hint: Quick Turbo Recharge
If you've used up your turbo in a vehicle and you want it to recharge very quickly, get out of the vehicle and hop back in. Upon re-entering, the vehicle's turbo will be fully recharged.