The only issue is, no longer can one attain achievements and trophies that can be attained by playing normally.
To activate a given cheat code, pause the mission and enter the code, following which the advantage will be activated. The player needs to enter the cheat code manually, since
none of them is saved. To disable a cheat code, simply type it again. Find out below how full armor, health, jet fighters, vehicle spawns can be activated.
Cheat codes for Xbox 360:
Raise Wanted LevelRB, RB, B, RT, Left, Right, Left, Right, Left, Right
Lower Wanted LevelRB, RB, B, RT, Right, Left, Right, Left, Right, Left
Spawn Trash masterB, RB, B, RB, Left, Left, RB, LB, B,
RightSpawn LimoRT, Right, LT, Left, Left, RB, LB, B,
RightSpawn Stunt PlaneB, Right, LB, LT, Left, RB, LB, LB, Left, Left, A, Y
Full health: B, LB, Y, RT, A, X, B, Left, X, LB
To steal fighter jets, here’s a trick. Hop on to a car in Franklin. Choose a car with good acceleration abilities. Drive fast through the blockade and go towards the right immediately. Once the parking lot is reached, take a left and find covered jets. Hop on in one of the jets quickly and fly high.