Float in air in East Africa 1915: Go up the large hill and look for two green areas near the rock wall in the center of this region. Go to the second green area,walk to the wall, and position yourself so that you are facing the normal entrance. After that, go to the left side of the wall and notice the small tree outside when you are about halfway up. Walk directly out over the tree, to begin floating in air. Get underwater in Pleistocene Age: While at a location with water, pres SPACE to sneak and you will be placed underwater. You can shoot any animal that wanders above you.