Half-Life 2 - 10 of 69 earned
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Bug HuntUse the antlions to kill 50 enemies.Jul 19
Blast from the PastFind the HEV Suit Charger faceplate in Eli's scrapyard.Jul 13
Zero-Point EnergyGet the Gravity Gun in Black Mesa East.Jul 13
Revenge!Destroy the hunter-chopper in Half-Life 2.Jul 13
Heavy WeaponsGet the airboat's mounted gun.Jul 13
DefiantJul 8
Anchor's Aweigh!Get the airboat.Mar 26
Barnacle BowlingKill five barnacles with one barrel.Mar 26
Trusty HardwareGet the crowbar.Mar 25
MalcontentEscape the apartment block raid.Mar 25
SubmissiveLocked
What cat?Break the mini-teleporter in Kleiner's lab.Locked
VorticoughDiscover the hidden singing vortigaunt cave in chapter Water Hazard.Locked
Two PointsUse DOG's ball to make a basket in Eli's scrapyard.Locked
Zombie ChopperPlay through Ravenholm using only the Gravity Gun.Locked
Hallowed GroundLocked
OSHA ViolationKill 3 enemies using the crane.Locked
Targetted AdvertisingPin a soldier to the billboard in chapter Highway 17.Locked
Where Cubbage Fears to TreadLocked
One Man ArmyDestroy six gunships in Half-Life 2.Locked
Keep Off the Sand!Cross the antlion beach in chapter Sandtraps without touching the sand.Locked
FlushedKill an enemy with a toilet.Locked
Warden FreemanSurvive the second turret standoff in Nova Prospekt.Locked
Follow FreemanGain command of a squad of rebels in the uprising.Locked
Radiation Levels DetectedGet through the toxic tunnel under City 17 in Half-Life 2.Locked
Plaza DefenderSurvive the generator plaza standoff in chapter Anticitizen One.Locked
Counter-SniperKill all of the snipers in City 17.Locked
Fight the PowerShut down the supression device by disabling its generators.Locked
Giant KillerSurvive the rooftop strider battle in the ruins of City 17.Locked
AtomizerDisintegrate 15 soldiers by throwing them into a Combine ball field.Locked
Singularity CollapseLocked
Lambda LocatorFind all lambda caches in Half-Life 2.Locked
Hack Attack!Kill five enemies with a Manhack.Locked
Watch Your Head!Make it to the bottom of the Citadel's main elevator shaft in one piece.Locked
ContainmentContain the Citadel core.Locked
PacifistContain the Citadel core without killing any stalkers.Locked
Car CrusherUse the cars to squash 15 antlions in Episode One.Locked
Elevator ActionSurvive long enough to get on the parking garage elevator.Locked
Live BaitHelp Alyx snipe 30 enemies in Episode One.Locked
Attica!Destroy the gunship in the hospital attic.Locked
Citizen EscortDon't let any citizens die when escorting them to the escape train.Locked
Escape From City 17Escape City 17 with Alyx.Locked
The One Free BulletFinish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!Locked
ConservationistKill five enemies with the same energy ball.Locked
Think Fast!Kill an Elite Soldier with his own energy ball.Locked
Zombie-queUse flares to light 15 zombies on fire.Locked
Acid ReflexKill an acid antlion worker.Locked
Get Some GrubSquish every antlion grub in Episode Two.Locked
Piñata PartyFind and break every web cache in Episode Two.Locked
Into the BreachHelp Griggs and Sheckley hold off the antlion invasion inside the mine shaft.Locked
TwoferDefeat both antlion guards outside the White Forest.Locked
Hit and RunRun over 20 enemies with the car in Episode Two.Locked
Meet the HuntersSurvive the Hunter ambush with Alyx.Locked
Puttin' On a ClinicDefeat the chopper in Episode Two without any misses.Locked
Gunishment!Destroy the Combine Autogun in the junkyard.Locked
Cache CheckerFind every radar cache in chapter Under The Radar.Locked
Pedal to the MetalBeat DOG in a race to the White Forest base.Locked
Gordon Propelled RocketUnlock the rocket launcher lambda cache in chapter Under The Radar.Locked
Quiet Mountain GetawaySurvive the ambush at White Forest Inn.Locked
Little Rocket ManSend the garden gnome into space.Locked
Secondary Silo SecuredSecure the launch doors on missile silo 2.Locked
Neighborhood WatchSave all buildings outside the missile silo from destruction.Locked
Defense of the ArmamentSave the missile silo from the Combine offensive.Locked
PaybackKill a Hunter with its own flechettes.Locked
Bone BreakerKill 30 enemies with thrown physics objects.Locked
Deadly HarvestKill an enemy by planting a hopper mine.Locked
Hot Potat0wnedKill a Combine soldier with his own grenade.Locked
Grave RobberSteal a Zombine's grenade.Locked
Gnome AloneLaunch Half-Life 2 after Gabe Newell launched a garden gnome into space.LockedKiiLime Network
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