To celebrate the removal of GFWL, Red Faction Guerrilla having a 85% off regular price ($19.99) to be 2.99 USD through Steam.
Has been updated to DirectX 11 and stability fixes, here is the list of updates in the recent patch..
Steam Edition Feature Highlights:
Added Steam Trading Cards
-DirectX 11 Render Backend instead of DirectX 10 (DirectX 9 still available as fall back)
-Added Wrecking Crew maps: RUINS, REPERCUSSION, IMPERIAL, EXPANSION, FROST, ABANDONED
-Added Behemoth Mode
-Matchmaking and Multiplayer via Steamworks
Added Host Migration functionality
-Added Join in Progress functionality to join matches that are already started
-No Games for Windows Live sign-in required
-Leaderboards via Steam
-Voice Chat via Steam
-Achievements via Steam
-At first launch the game attempts to migrate savegames from GFWL to the new system
-Added Russian, Polish and Czech Localization
Misc Changes:
Added Achievements to DLC content
Fixed camera speed in vehicles
Steam offline mode enabled
Removed XP limitation for all multiplayer game modes.
Added voice chat "push to talk" option. It's enabled by default and it can be changed in the audio options. It's binded to key "Z" by default.
Added "Join chat" in matchmaking lobby. When using this option you will be joining RFG chat root
Changed minimum player number for Siege and Large Mixer to 6
Fixed mouse acceleration when driving walkers
Added ability to view Steam Gamer profile in leaderboards and in-game scoreboard
The time limit between lobby disconnects is doubled
Minimum players required to start the team game is four and for normal game it's three.
Removed Aim Assist in Multiplayer
Various Stability improvements
This game encourages violence against gorrilas and should be banned.