Primarily games by nihilistic game developers. Unfortunately, there aren't many of them. Deus Ex and Fallout 2 are prima examples, but as far as MMO games go, PlanetSide is the only one that comes to mind (due to its utilization of three, fairly neutral factions which players can become part of).

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram