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