Genewars

[1] Players move through a series of worlds using a small number of sentient humanoids to build small bases and to stun, kill, research, and ultimately breed a variety of animals.

For instance, a crab is a good armored defender, while a mule is a perfect detritus transporter.

The primary resource of the game is goop, which is derived from all kinds of biomass.

Sean Cooper was brought in to help with the game's development, causing tension between him and Peter Molyneux.

[2] Genewars received average reviews from video game critics upon release.