I have completed the Lego Indiana Jones, however I still need a couple of chest but you have to play in free play to get them. Well in Desert Ambush you have to destroy a tank by building road bombs and having him drive into them before he will move to the next scene where you are fighting more trucks while moving. The last scene before the level is completed. My problem is in free play....I can't get the tanker to shoot at me or drive near the road bombs. Has anyone else had this problem? I need a short player to get my very last chest and the game is done and I am not able to do so. Please help if you can.