breveCreatures Screensaver 2.5 (Freeware) Description

breveCreatures is a nice desktop screensaver that simulates the evolution of virtual creatures in a physically simulated 3D world. Beginning initially with random creatures, the screensaver uses a genetic algorithm to develop creatures capable of realistic locomotion behaviors. The concept and algorithms implemented in breveCreatures are based on Karl Sims' seminal work, "Evolved Virtual Creatures". Because the screensaver uses an evolutionary algorithm, it may take a long time—hours, or even days—before effective locomotion behaviors can be observed. Each time it is run, the screensaver will save its progress and continue from where it left off.