ok if u go to the uplink level and go to the top of the level. Go to the commando rifle and stand there. Take the other player look at and him make sure he is up there to. Then have him run at you if done right you should launch in the air. Go to your left and land behind the stairs that go up to the second floor. Then run as fast as you can off the edge if you don't go fast enough and you fall towards the wrong spot you die. If you even walk there most likely you will die. Now that your at the bottom of the level walk away from the level enough and you should fall to the bottom and can't get back up though so just restart. [by: bottom of uplink level]
Paintball mode = go to extras menu and type in right left right left down up up
unlock everything = at main menu type in right left left right left left right x y y x [by: Tee Pee]
go to the extras in the main menu then the code for all levels in campaign and multiplayer is: down right down right up down up left [by: ace790_z]
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