Cliff Hanger is a challenge where you must find a way to arrange your squad on three beams without falling of either side of the beams and you will not know in what the order you have to arrange is.
The Medivac Challenge is a challenge in which you have to assign roles so that your team may build a bridge, escort your squad across and build a stretcher to carry a "wounded" cadet after treating their "injury" and then escort the "wounded" across to the designated "extraction" point.
(TBR) is a challenge in which you must get your team across a smelly pit of despair and over laser beams without stepping in the pit so that your team may deliver the flux capacitor to where it needs to be if you step in the pit you are considered smelly and you must hold your nose or you are eliminated if people do not hold there nose when you are an arms length away then they are eliminated. If you are eliminated and you talk you are a "Jabbering Ghoul". If a cadet does not cover there ears when a jabbering ghoul is talking they are eliminated, you are provided 4 2"x4"x8' boards to cross the "pit".
The Holy Grail is a challenge in which you are provided 6 2"x4"x8; boards in order to cross the pit if you fall of or step off a board you are eliminated. In this challenge you are required to use geometry, problem solving skills and you must think outside of the box. It is also a reference to Monty Python.