Diamond Master
As a single player, earn Diamond on two or more Challenges on a single play of a song (Quickplay+)
2/11/2012
3:47:28 PM
Very Rare 9.2%
Run-and-Gunner
Defeat 20 enemies by shooting from the hip (without aiming with L1/R1)
12/20/2011
2:37:22 AM
Rare 19.2%
Brute Beater
Successfully counter all of a Brute’s damage-giving attacks
12/19/2011
2:43:43 AM
Rare 44.6%
Blindfire Marksman
Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)
12/19/2011
1:27:52 AM
Rare 24.6%
Riot Rocker
Defeat five Riot Shield enemies by running over their shield
12/19/2011
1:22:39 AM
Rare 13.5%
Drop the Bomb Hotshot
Make five enemies drop their grenade by shooting them
12/19/2011
1:19:15 AM
Rare 47.2%
Nerd
Find all clues using ARI (Crime scene + Mad Jack + Fish tank) and find the Origami Killer
8/16/2011
3:20:05 AM
Rare 18.1%
Wise Guy
Under Arrest - Switch the camera off in the surveillance room before saving Ethan
8/16/2011
2:31:47 AM
Rare 35.3%