Whenever Mecha Rez jumps on a building, use the tail whip
to destroy the building. Mecha Rez will fall and lose one energy bar.
When you first start the game go to the place in front of the first gate where you can climb on. At the top of the arch there should be a place where you can climb on top of the arch. Jump on to the platform and it should take you to the titanic level Geques Cousteau