Straight-A Student
Complete all of the in-game tutorials.
"Like I had any choice..."
2/20/2011
9:55:29 AM
Common 82.1%
Take 5.
Pause the game for the first time.
"Hey...come back here and play!"
2/20/2011
9:52:29 AM
Common 86.3%
It's HAZARD TIME!
Start your first game.
"Thanks for buying my game. I'm sure you'll enjoy it. --Sincerely, Matt Hazard"
2/20/2011
9:52:21 AM
Common 97.3%
Triple A
Got a AAA ranking in Arcade mode (for Shot Down, Combo, or Play Time).
2/20/2011
8:36:09 AM
Rare 30.5%
Vacuum Cleaner
Decompress 20 Necromorphs without getting sucked out yourself
2/18/2011
11:08:22 AM
Very Rare 6.9%
...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
2/17/2011
12:04:30 PM
Rare 14.5%
Epic Dismemberment
Dismember 2,500 Necromorph Limbs (single player only)
2/16/2011
12:43:46 PM
Rare 13.8%
My Boom Stick
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
2/16/2011
8:56:21 AM
Rare 10.3%