Question: Which first-person shooter game that was developed by FASA studio allows cross-platform play?
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