As of writing there's 612 games on Steam that are natively available for Linux and SteamOS. Among the 612 games are 577 that have a single-player game mode, 144 that are multi-player games, 98 games that are cross-platform multi-player, and 74 co-op games. The listing of the Steam Linux games can be found via SteamPowered.com.
There's still many more games to come from Counter-Strike: Global Offensive to numerous other ports that are still in-progress. Quite likely later in 2014 we'll break 1,000 Linux games on Steam. What's been your favorite new Linux game so far? Let us know by commenting on this article.