99 achievements worth 1000 points
% of all tracked players
Malcontent
88.2%
Malcontent - 5 points
Escape the apartment block raid.
Trusty Hardware
82.4%
Trusty Hardware - 5 points
Get the crowbar.
Lab Rat
70.6%
Lab Rat - 5 points
Acquire the fully powered Aperture Science Handheld Portal Device.
Fratricide
64.7%
Fratricide - 5 points
Do whatever it takes to survive.
Into the Breach
58.8%
Into the Breach - 5 points
Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Secret Achievement
58.8%
Secret Achievement - 5 points
Continue playing to unlock this secret achievement.
Secret Achievement
58.8%
Secret Achievement - 10 points
Continue playing to unlock this secret achievement.
Acid Reflex
58.8%
Acid Reflex - 5 points
Kill an acid antlion worker.
Bone Breaker
58.8%
Bone Breaker - 5 points
Kill 30 enemies with thrown physics objects.
Escape From City 17
58.8%
Escape From City 17 - 20 points
Escape City 17 with Alyx.
Heartbreaker
58.8%
Heartbreaker - 10 points
Complete Portal.
Partygoer
58.8%
Partygoer - 5 points
Make the correct party escort submission position decision.
Secret Achievement
58.8%
Secret Achievement - 5 points
Continue playing to unlock this secret achievement.
Deadly Harvest
58.8%
Deadly Harvest - 5 points
Kill an enemy by planting a hopper mine.
Attica!
58.8%
Attica! - 5 points
Destroy the gunship in the hospital attic.
Secret Achievement
58.8%
Secret Achievement - 10 points
Continue playing to unlock this secret achievement.
Secret Achievement
58.8%
Secret Achievement - 5 points
Continue playing to unlock this secret achievement.
Elevator Action
58.8%
Elevator Action - 10 points
Survive long enough to get on the parking garage elevator.
Watch Your Head!
58.8%
Watch Your Head! - 5 points
Make it to the bottom of the Citadel's main elevator shaft in one piece.
Containment
58.8%
Containment - 5 points
Contain the Citadel core.
Revenge!
52.9%
Revenge! - 10 points
Destroy the hunter-chopper in Half-Life 2.
Secret Achievement
52.9%
Secret Achievement - 5 points
Continue playing to unlock this secret achievement.
Heavy Weapons
52.9%
Heavy Weapons - 5 points
Get the airboat's mounted gun.
Friendly Fire
52.9%
Friendly Fire - 5 points
Knock down a turret with another turret.
Secret Achievement
52.9%
Secret Achievement - 5 points
Continue playing to unlock this secret achievement.
Secret Achievement
52.9%
Secret Achievement - 20 points
Continue playing to unlock this secret achievement.
Fight the Power
52.9%
Fight the Power - 10 points
Shut down the supression device by disabling its generators.
Giant Killer
52.9%
Giant Killer - 10 points
Survive the rooftop strider battle in the ruins of City 17.
Anchor's Aweigh!
52.9%
Anchor's Aweigh! - 5 points
Get the airboat.
Follow Freeman
52.9%
Follow Freeman - 10 points
Gain command of a squad of rebels in the uprising.
Plaza Defender
52.9%
Plaza Defender - 10 points
Survive the generator plaza standoff in chapter Anticitizen One.
Secret Achievement
52.9%
Secret Achievement - 25 points
Continue playing to unlock this secret achievement.
52.9%
"Radiation Levels Detected" - 5 points
Get through the toxic tunnel under City 17 in Half-Life 2.
Warden Freeman
52.9%
Warden Freeman - 10 points
Survive the second turret standoff in Nova Prospekt.
Bug Hunt
52.9%
Bug Hunt - 10 points
Use the antlions to kill 50 enemies.
One Man Army
52.9%
One Man Army - 5 points
Destroy six gunships in Half-Life 2.
Zero-Point Energy
52.9%
Zero-Point Energy - 5 points
Get the Gravity Gun in Black Mesa East.
Secret Achievement
47.1%
Secret Achievement - 5 points
Continue playing to unlock this secret achievement.
Grave Robber
47.1%
Grave Robber - 5 points
Steal a Zombine's grenade.
OSHA Violation
47.1%
OSHA Violation - 5 points
Kill 3 enemies using the crane.
Gordon Propelled Rocket
41.2%
Gordon Propelled Rocket - 5 points
Unlock the rocket launcher lambda cache in chapter Under The Radar.
Live Bait
41.2%
Live Bait - 10 points
Help Alyx snipe 30 enemies in Episode One.
Think Fast!
41.2%
Think Fast! - 10 points
Kill an Elite Soldier with his own energy ball.
Terminal Velocity
41.2%
Terminal Velocity - 5 points
Fall 30,000 feet.
Pedal to the Metal
35.3%
Pedal to the Metal - 5 points
Beat DOG in a race to the White Forest base.
Cache Checker
35.3%
Cache Checker - 10 points
Find every radar cache in chapter Under The Radar.
Secret Achievement
35.3%
Secret Achievement - 5 points
Continue playing to unlock this secret achievement.
Targetted Advertising
35.3%
Targetted Advertising - 5 points
Pin a soldier to the billboard in chapter Highway 17.
What cat?
29.4%
What cat? - 5 points
Break the mini-teleporter in Kleiner's lab.
Car Crusher
29.4%
Car Crusher - 5 points
Use the cars to squash 15 antlions in Episode One.
Atomizer
29.4%
Atomizer - 10 points
Disintegrate 15 soldiers by throwing them into a Combine ball field.
Hit and Run
29.4%
Hit and Run - 5 points
Run over 20 enemies with the car in Episode Two.
Conservationist
29.4%
Conservationist - 5 points
Kill five enemies with the same energy ball.
Citizen Escort
29.4%
Citizen Escort - 15 points
Don't let any citizens die when escorting them to the escape train.
Vorticough
23.5%
Vorticough - 13 points
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Flushed
23.5%
Flushed - 5 points
Kill an enemy with a toilet.
Barnacle Bowling
23.5%
Barnacle Bowling - 5 points
Kill five barnacles with one barrel.
Counter-Sniper
23.5%
Counter-Sniper - 5 points
Kill all of the snipers in City 17.
Cupcake
23.5%
Cupcake - 10 points
Beat two Portal advanced maps.
Pacifist
23.5%
Pacifist - 10 points
Contain the Citadel core without killing any stalkers.
Fruitcake
23.5%
Fruitcake - 20 points
Beat four Portal advanced maps.
Blast from the Past
23.5%
Blast from the Past - 10 points
Find the HEV Suit Charger faceplate in Eli's scrapyard.
Lambda Locator
17.6%
Lambda Locator - 15 points
Find all lambda caches in Half-Life 2.
Hard to Kill
17.6%
Hard to Kill - 10 points
Get five kills in a row without dying.
Vanilla Crazy Cake
17.6%
Vanilla Crazy Cake - 30 points
Beat all six Portal advanced maps.
Zombie-que
17.6%
Zombie-que - 5 points
Use flares to light 15 zombies on fire.
Two Points
17.6%
Two Points - 2 points
Use DOG's ball to make a basket in Eli's scrapyard.
Zombie Chopper
17.6%
Zombie Chopper - 25 points
Play through Ravenholm using only the Gravity Gun.
Keep Off the Sand!
17.6%
Keep Off the Sand! - 20 points
Cross the antlion beach in chapter Sandtraps without touching the sand.
Long Jump
17.6%
Long Jump - 5 points
Jump 300 feet.
Hack Attack!
17.6%
Hack Attack! - 5 points
Kill five enemies with a Manhack.
Camera Shy
17.6%
Camera Shy - 5 points
Detach security cameras from the walls.
Hot PotatOwned
17.6%
Hot PotatOwned - 10 points
Kill a Combine soldier with his own grenade.
Relentless Offense
11.8%
Relentless Offense - 20 points
Win Hydro without giving up a capture.
Powerhouse Offense
11.8%
Powerhouse Offense - 5 points
Win 2Fort with a shutout.
Dynasty
11.8%
Dynasty - 10 points
Win 20 games.
Hardcore
11.8%
Hardcore - 15 points
Accumulate 1000 total kills.
Impenetrable Defense
11.8%
Impenetrable Defense - 10 points
Successfully defend Dustbowl without giving up a capture.
Lightning Offense
11.8%
Lightning Offense - 10 points
Win Well in 5 minutes or less.
Impossible Defense
11.8%
Impossible Defense - 30 points
Successfully defend Gravel Pit without giving up a capture.
Flamethrower
11.8%
Flamethrower - 5 points
Set five enemies on fire in 30 seconds.
Grey Matter
11.8%
Grey Matter - 5 points
Get 25 headshots as a Sniper.
Team Doctor
11.8%
Team Doctor - 5 points
Accumulate 25000 heal points as a Medic.
World Traveler
11.8%
World Traveler - 5 points
Play a complete game on every map.
Head of the Class
11.8%
Head of the Class - 5 points
Play a complete round with every class.
With Friends Like these...
11.8%
With Friends Like these... - 10 points
Play in a game with seven or more players from your friends list.
Turret
11.8%
Turret - 5 points
Accumulate 10 turret kills with a single turret.
The One Free Bullet
11.8%
The One Free Bullet - 40 points
Beat Episode One firing exactly one bullet. Grenade, crowbar, rocket, and Gravgun kills are okay!
Neighborhood Watch
11.8%
Neighborhood Watch - 35 points
Save all buildings outside the missile silo from destruction.
Little Rocket Man
11.8%
Little Rocket Man - 30 points
Send the garden gnome into space.
Get Some Grub
11.8%
Get Some Grub - 20 points
Squish every antlion grub in Episode Two.
Pinata Party
11.8%
Pinata Party - 5 points
Find and break every web cache in Episode Two.
Payback
11.8%
Payback - 10 points
Kill a Hunter with its own flechettes.
Basic Science
11.8%
Basic Science - 10 points
Earn bronze medals on all Portal challenges.
Nemesis
11.8%
Nemesis - 5 points
Get five revenge kills.
Puttin' On a Clinic
11.8%
Puttin' On a Clinic - 15 points
Defeat the chopper in Episode Two without any misses.
Aperture Science
11.8%
Aperture Science - 40 points
Earn gold medals on all Portal challenges.
Rocket Science
11.8%
Rocket Science - 20 points
Earn silver medals on all Portal challenges.
Master of Disguise
11.8%
Master of Disguise - 15 points
Trick an opposing medic into healing you.