Question: Games for Windows – Live or GFWL (trademarked as Games for Windows – LIVE) was an online gaming service used by "Games for Windows"–branded PC titles that enables Windows PCs to connect to Microsoft's Live service, some games allow for cross-platform play, such as which first-person shooter video game, developed by FASA Studio for Xbox 360 and Windows Vista?
Sentence (from "Games for Windows – Live"): Users, each with a unique Gamertag (the Microsoft username service for gaming that began on Xbox Live), are able to play online, keep track of their friends' status, send and receive messages, gain and keep track of Achievements and associated Gamerscore, voice chat across platforms (removed in 2010), and much more.
Relevant evidence: No