That game is about a really good game by David OReilly. -Start as cat; -Click on animal to take his control; -Use WASD to move; -Press [SPACEBAR] to make your animal sound; -When you take an animal's control, there is some sort of "bug" that make that animal without control for some seconds. Just wait; -Press descend to go to lower levels; -Press ascend to go to higher levels v.1.0: -Basic Features. v.1.1: -Descend and Ascend press one time to get to upper or lower level. Don't use ascend at world level 4, or descend at world level 3; -Other worlds.
Credits to the game Everything by David OReilly. -"Be the Universe in this epic, award-winning reality simulation game" Game link on steam: https://store.steampowered.com/app/582270/Everything/