Unlockables
Games for Windows Live Achievements
Customizer (25) - Unlock any locked loadout or costume item.
Gearhead (100) - Complete all feats related to a particular gadget or support item.
Hero of the Hour (100) - Turn the tables in Fumigation when the enemy team's victory is imminent.
Initiated (25) - Complete the Initiation mission.
Kill Crazy (125) - Earn a 10-kill streak.
Nemesaurus (100) - Become a Nemesis 100 times.
Prestigious (125) - Accept your first Promotion.
Shower of Gold (125) - Earn 50 gold medals in Challenge mode.
Slap Happy (125) - Kill 50 enemy players using the panic-slap melee attack.
Thanks for Playing! (25) - Finish one match of Gotham City Impostors.
Total Victory (25) - Win each game mode in Ace Chemical, Amusement Mile, Crime Alley, Gotham Power and The Docks.
Weapon Specialist (100) - Complete all feats related to a particular weapon.
Explore the galaxy in the franchise's first open-world game.