Gotham City Impostors
Set to be a light-hearted FPS in the DC universe, Gotham City Impostors released on Xbox 360, PS3, and PC back in 2012 to decent praise (garnering scores around the 70 range on Metacritic). However, while the first few months were reasonably successful, things quickly went south. Within four months, the average player count on Steam dropped from around 2100 to 470. Eventually, the game was forced to go free-to-play and was given away as part of Xbox’s “Games with Gold” program. Apparently, this wasn’t enough, as soon after the console servers went offline, leaving only the PC version with a player base of around 60 players.