Quite a Ride
On chapter IX, on the lift, destroy everything that is thrown at you.
10/6/2009
10:45:17 AM
Rare 15.7%
Untouchable
Finish any chapter, except for VI and VIII, without getting severely wounded.
10/4/2009
4:00:42 AM
Rare 30.2%
High Noon
Kill 4 enemies between 12:00 p.m. and 12:15 p.m. (local time, ranked play counts).
10/4/2009
3:55:42 AM
Rare 22.8%
Frag Steal
Kill all enemies in a single Cooperative Concentration Mode.
10/3/2009
12:10:47 AM
Rare 38.9%
Drive-By
Kill a total of 5 enemies while horseback (ranked play counts).
10/3/2009
12:05:19 AM
Rare 38.9%
Freakshow Rodeo
Ride Titan henchman and knock down 10 thugs (any play mode)
9/9/2009
8:24:57 PM
Rare 43.0%