J'ai trouvé ca sur le forum de steam et ca a marché pour moi:
Disable Direct3D 10:
Library -> right click on Red Faction: Guerrilla -> Properties -> SET LAUNCH OPTIONS... and paste "-nod3d10" (without quotes).
Update your Games for Windows LIVE client: http://www.xbox.com/LIVE/PC/DownloadClient
Disable Steam Community In-Game:
Library -> right click on Red Faction: Guerrilla -> Properties -> Disable Steam Community In-Game.