Stan, Cartman and Kenny are lost. Completely lost. After getting abducted by a spaceship with a disturbed alien on board, their only chance of escape resides by escaping the ship and travel through a deadly new world.
Each kid got their own abilities and they shall to put their powers in common to cross the levels filled with enemies and puzzles.
This game is rather similar to the Lost Vikings 1 and 2, so if you played both games, you shouldn't be too much lost in this fantastic atmosphere.