Drop the Bomb Hotshot
Make five enemies drop their grenade by shooting them
12/25/2011
11:03:33 PM
Rare 47.2%
Quick Study
Inspect almost every display case in the Cartagena Museum
12/23/2011
5:36:31 PM
Very Rare 6.9%
Lightning Reactions
Correctly answer three questions in a row in under 0.5 seconds
6/23/2011
6:40:06 PM
Rare 18.4%
Double Happiness
Kill 6 enemies in a row with a shotgun - all of them as one shot kills.
6/17/2011
11:19:35 PM
Rare 46.5%
Unnatural Selection
Kill one of every animal species in the game in any game mode.
11/29/2010
9:20:41 AM
Ultra Rare 2.4%
The Benefits of Civilization
Complete "And the Truth Will Set You Free".
10/12/2010
10:57:20 PM
Rare 22.6%
Frontiersman
Obtain Legendary rank in any Single Player Ambient Challenge.
10/12/2010
9:05:22 PM
Very Rare 7.9%