 | Squirm3 An artificial chemistry that supports self-replication September 2001 - present |
 | Squirm A simple cellular automaton representation of a squirmy flexible blob June 2001 |
 | CellLife Representing a multi-celled creature using a tree structure of cells August 2000 |
 | Chase/Evade The coevolution of pursuit and fleeing strategies July 2000 |