Successfully complete the indicated task to unlock the corresponding achievement.

Achievement	How to unlock
All about the back door	Take down 100 enemies.
All alone	Beat Special Delivery in 90 seconds.
Alone	Beat "Bringing Down the House" in 120 seconds.
Beat Game49	Obligatory Beat Achievement.
Become Average	Don'ts be squealin' 'bouts my boozin!
Call tech support	Use 50 ECMs.
Cleanup aisle 2	Blow up 10 enemies.
Don't get cocky	Cock gun 1 time.
Gratuitous Cocking	Cock gun 50 times.
He's all	Beat "Breaking New Ground" in 75 seconds.
He's going for	Beat "Who's Next" in 180 seconds.
He's going	Beat "I thought I was out..." in 30 seconds.
He's on fire!	Kill 200 enemies.
Heating up	Kill 50 enemies.
Hiding something?	Use 1 ECM.
Immediate Gratification	Out of the Steam backlog.
In his	Beat "Smoke on the Water" in 150 seconds.
Interactive Madness	Take down 10 enemies.
Like a bitch	Die in cover.
Need	Beat "The Death of a Behemoth" in 75 seconds.
No one can hide from my sight	Get spotted by 20 cameras.
PANDAMONIUM!!!	PANDAMONIUM!!!
Pop goes the Cherry	Kill an enemy.
STFU	Use the noise maker 20 times.
Shhhhhhh.........	Take down one enemy.
Some dirty joke	Cock gun 100 times.
Speed	Beat "Tip of the Iceberg" in 45 seconds.
The Distance	Beat "Best Served Cold" in 60 seconds.
Time of	Beat "Fire in the Sky" in 120 seconds.
Well that's just excessive	Blow up 100 enemies.