First go to multiplayer and select the map coagalation. Next 1 person should get in a WRAITH and the other should get in a SCORPION TANK spme people try doind it with light vehicles and it turns out with evryone dieing a billion times. ok now get in the middle.NO SHOOTING DURING THE CHEAT OE IT WILL NOT WORK.All you have to do is accelerate at each other with the wraith use the boost and keep doing that untill the tank is going to start going on top of the wraith and then do a boost with the wraith the tank should stay there, fly off in one direction or go flipping verticaly. If it goes flipping verticaly then you have the superman cheat! Keep doind this and surprise your friends when they go soaring over the canyo walls!( IF it doesn't work keep doind till it works) ( HEAVY VEHICLES ONLY!)