Creatures is an open-ended game - you play however you like to play. The game is set on a spaceship called the Ark with six large environments, each with its own ecology, food-chain and dangers. Life isn't always a breeze on the ship because you need to watch out for the mischievous Ettins and the nasty, disease-ridden Grendles who are intent on hurting your Norns. On the spaceship you can construct vast machines that will automate tasks to help you protect and defend your Norns as well as keep you updated on their whereabouts.