Watch That First Step
Defeat an enemy by destroying the object they stand on.
6/7/2011
4:55:05 PM
Common 82.7%
Asphalt Jungle
Chase down and tackle a fleeing suspect on foot as an LAPD Detective.
5/26/2011
3:07:31 AM
Rare 47.9%
Lead Foot
Keep the needle above 80mph for more than ten seconds while driving.
5/25/2011
3:11:58 AM
Rare 30.8%
Huckster
At Elysian Fields, outwit Leland Monroe when discussing his developments or advertising campaign.
5/24/2011
11:25:21 PM
Rare 21.8%
The Fighting Sixth
At the Bus Shooting, talk Felix Alvarro into giving up the Marines involved in the Coolridge heist.
5/24/2011
6:20:49 PM
Rare 13.2%
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
5/23/2011
9:09:07 PM
Ultra Rare 1.4%
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
5/23/2011
3:44:13 PM
Ultra Rare 2.1%
Keep A Lid On
Complete a brawl without losing your hat as an LAPD Detective or Investigator.
5/22/2011
2:00:12 PM
Rare 48.9%
Final Transmission
Find the hidden signal in one of the Rat Man's dens
5/20/2011
8:08:21 PM
Very Rare 7.7%
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
5/20/2011
4:13:50 PM
Ultra Rare 4.6%
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
5/20/2011
4:03:28 PM
Ultra Rare 1.4%
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
5/20/2011
4:03:12 PM
Ultra Rare 1.7%