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At Valve, we're always striving to make our products better. We've traditionally relied on things like written feedback from players to help decide which improvements to focus on. More recently, Steam has allowed us to collect more information than was previously possible. Episode Two includes a reporting mechanism which tells us details about how people are playing the game. We're sharing the data we collect because we think people will find it interesting, and because we expect to spot emergent problems earlier, and ultimately build better products and experiences as a result. Let us know what you think.


  Achievement name % of players
Acid Reflex
Kill an acid antlion worker.
78.9%
Into the Breach
Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
70.6%
Twofer
Defeat both antlion guards outside the White Forest.
64.1%
Meet the Hunters
Survive the Hunter ambush with Alyx.
62.4%
Gunishment!
Destroy the Combine Autogun in the junkyard.
61%
Quiet Mountain Getaway
Survive the ambush at White Forest Inn.
60.1%
Secondary Silo Secured
Secure the launch doors on missile silo 2.
59.1%
Deadly Harvest
Kill an enemy by planting a hopper mine.
52.8%
Defense of the Armament
Save the missile silo from the Combine offensive.
50.2%
Gordon Propelled Rocket
Unlock the rocket launcher lambda cache in chapter Under The Radar.
47.4%
Cache Checker
Find every radar cache in chapter Under The Radar.
34.8%
Grave Robber
Steal a Zombine's grenade.
27.3%
Hit and Run
Run over 20 enemies with the car in Episode Two.
27.1%
Pedal to the Metal
Beat DOG in a race to the White Forest base.
23.8%
Payback
Kill a Hunter with its own flechettes.
14.2%
Bone Breaker
Kill 30 enemies with thrown physics objects.
14.2%
Piñata Party
Find and break every web cache in Episode Two.
7.8%
Puttin' On a Clinic
Defeat the chopper in Episode Two without any misses.
5.3%
Hot Potat0wned
Kill a Combine soldier with his own grenade.
4.2%
Neighborhood Watch
Save all buildings outside the missile silo from destruction.
2%
Little Rocket Man
Send the garden gnome into space.
1.9%
Get Some Grub
Squish every antlion grub in Episode Two.
1%