Mario Great Adventure 2 Hacked Information: All Levels are Unlocked. Mario is back in this great adventure game. Mario is going on a journey to the castle that is far away from where he is now. Mario will has to cross several island in order to reach the castle. Help mario collects as much coins and mushroom as possible on the islands he cross, but watch out for the monster and the trap. Good Luck use arrow to move and space to jump.