Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
| Achievement | How to unlock |
| Slap Happy (125) | Kill 50 enemy players using the panic-slap melee attack. |
| Prestigious (125) | Accept your first Promotion. |
| Gearhead (100) | Complete all feats related to a particular gadget or support item. |
| Kill Crazy (125) | Earn a 10-kill streak. |
| Thanks for Playing! (25) | Finish one match of Gotham City Impostors. |
| Customizer (25) | Unlock any locked loadout or costume item. |
| Weapon Specialist (100) | Complete all feats related to a particular weapon. |
| Hero of the Hour (100) | Turn the tables in Fumigation when the enemy team's victory is imminent. |
| Total Victory (25) | Win each game mode in Ace Chemical, Amusement Mile, Crime Alley, Gotham Power and The Docks. |
| Initiated (25) | Complete the Initiation mission. |
| Shower of Gold (125) | Earn 50 gold medals in Challenge mode. |
| Nemesaurus (100) | Become a Nemesis 100 times. |
Verified by: this cheat is unverified
Submitted by:
Jax06 on October 06, 2011