"Docking Station is a completely FREE artificial life game for both Windows and Linux, developed by Creature Labs - the creators of the Creatures series of
games...Hatch your very own virtual life forms in this incredible addition to the hit Creatures series. Norns are endearing little creatures who grow, learn and behave just like living animals.
"Norns think and act for themselves and display real feelings such as hunger, pain, fear and boredom. They can even talk to you and to each other! Based on real biological principles, these furry little pets have their own biochemistry and Creatures digital DNA and represent the most advanced virtual life sim commercially available today." -- from the website. <
http://www.gamewaredevelopment.co.uk/ds/ds_index.php>