Boss Batch 1
Kill the Colossus of Rhodes, the Dark Rider, and Theseus
12/27/2009
5:37:48 PM
Common 61.4%
Get Your Left Foot Wet
Complete a match in Campaign Co-Op mode. (Online co-op only)
8/30/2009
3:24:25 PM
Rare 12.6%
Stabbed in the Heart
Complete all missions on the Eastern Front on any difficulty. (Solo only)
8/30/2009
3:05:35 PM
Rare 29.0%
The Last Stand
Survive the conflict in Okinawa on any difficulty. (Solo only)
8/30/2009
1:08:56 PM
Rare 32.2%
Purple Heart
When staring into the face of adversity, show courage and persevere.
8/22/2009
10:23:13 AM
Rare 28.3%
Kamikaze
Complete a level on Regular difficulty or higher using only melee or grenades. (Solo only)
8/21/2009
7:10:56 PM
Ultra Rare 2.9%
Stormed Peleliu
Establish a beachhead at Peleliu Island on any difficulty. (Solo only)
8/21/2009
5:20:17 PM
Rare 39.0%
Snake in the Grass
Take out a Japanese soldier lying in wait in the grass.
8/20/2009
6:51:36 PM
Rare 44.5%
Weapon of Mass Destruction
Radio in a naval bombardment that kills at least 4 Japanese soldiers.
8/19/2009
3:31:20 AM
Rare 32.8%
It's a Living
Trap over 50 ghosts in your multiplayer Ghostbusting career.
8/6/2009
4:03:25 PM
Ultra Rare 4.6%
Egon's Guinea Pig
Use one of every Pickup (both Power-ups and Equipment).
8/6/2009
1:33:07 AM
Ultra Rare 4.8%