Exorarium

Combining state-of-the-art Simulation and visualization systems, plus the very best ideas from astronomy, physics, chemistry, and ecology, the Exorarium will empower users to create vividly plausible extraterrestrials and then test them in realistic first contact scenarios.

http://www.exorarium.com/

http://crca.ucsd.edu/~sheldon/exorarium/detailed.html