Conway’s Game of Life is a beautiful example of how complex behavior can emerge from a few very simple rules. But while it uses biological terminology such as “cells”, “alive” and ...

Half-Life 2 free for PC players until Nov. 18 with expansions, updated features, and 3.5 hours of commentary. Valve improves game with bug fixes, restored content, and better integration of Steam ...

One of the most exciting additions for the Half-Life 2 update is new commentary tracks (spanning 3.5 hours) for the entire game featuring the original Half-Life 2 developers discussing how they ...