PlayStation 3 Action33 out of 71
Down, Not Out
Defeat an enemy while dying, then recover without any help.
PlayStation 3 Action24 out of 51
Should Auld Acquaintance...
Unlocked 1999 Mode.
PlayStation 3 Action6 out of 47
Time Attack Cleared
Clear 1 course in Time Attack mode.
PlayStation 3 Action32 out of 51
Finish the game using Hysteria only once
PC Action58 out of 204
Take GLaDOS' escape advice
PC Action17 out of 241
Killed 25 enemies with explosive weapons
PlayStation 3 Action13 out of 50
You completed Arcade Mode with all characters.
PC Action9 out of 75
Fall 30,000 feet.
PlayStation 3 Action2 out of 16
Finish watching the demo scene confronting the Queen at the front gate stage
PC Action72 out of 277
Have all 3 generators running at once in "The Sacrifice" finale.
PlayStation 3 Action36 out of 51
Excellent Zombie Hunter
Clear Stage 5, surpassing Dad's score.
PlayStation 3 Puzzle4 out of 50
Hit 90% of the Kick notes in a song on Hard Drums.
PC Action26 out of 219
NO SMOKING SECTION
Kill 10 Smokers as they are pulling helpless Survivors.
PC Action3 out of 251
Opulence, You Has It
Complete 'Party Time'.