Four Ring Circus
Enter 4 different portals without touching the ground in co-op
12/5/2011
3:59:31 PM
Ultra Rare 4.6%
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
12/5/2011
1:04:02 PM
Very Rare 6.0%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
12/5/2011
12:58:43 PM
Rare 15.7%
Battle Hardened
Play at least one full round in every Game Mode (Ranked Match)
12/4/2011
11:19:32 PM
Ultra Rare 3.4%
Man About Town
Played at least one non-private match on each multiplayer map.
12/3/2011
8:41:09 PM
Very Rare 6.2%
High Flyer
Achieve a score of 5500 in the Pterodactyl Toss Survival Challenge.
11/30/2011
4:43:29 PM
Ultra Rare 1.4%
The Hiccups
Achieve a score of 4500 in the Acid Reflux Survival Challenge.
11/30/2011
3:40:06 PM
Ultra Rare 3.0%
