The Impossible Creatures Update v1.1 adds a new mod selector screen, sound engine updates, better mod support, several gameplay balance changes and much more. If you really want to see what this game is like, but dont want to buy it, download a free trail version here and see what you think, the trial version includes:ģ- 14 animals (out of the fifty animals available in the full version). These are the downloads hosted on the official site and made by Relic and Microsoft games.