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41 of 42 (98%) achievements earned:
Personal Achievements

Hit and Run

Break out of the Combine prisoner transport vehicle.
Unlocked Sep 27, 2020 @ 4:43am

Quaranta Giorni

Enter the Quarantine Zone.
Unlocked Sep 27, 2020 @ 5:11am

Mazel Tov

Pick up and smash 50 glass bottles.
Unlocked Oct 27, 2020 @ 7:20am

Good Grub

Feed the snark.
Unlocked Sep 27, 2020 @ 4:33am

On a Roll

Interact with the playground somehow.
Unlocked Nov 12, 2020 @ 6:47am

Little Slugger

Represent yourself with a specific prop on Russell's map.
Unlocked Sep 27, 2020 @ 4:47am

Eye of the Geiger

Measure Russell with the Geiger counter.
Unlocked Nov 12, 2020 @ 6:49am


Catch Russell's ammo magazine before it hits the ground.
Unlocked Oct 26, 2020 @ 3:48am


Receive a tasty treat.
Unlocked Sep 27, 2020 @ 6:01am

Freshly Squeezed

Test your grip on a headcrab heart.
Unlocked Nov 12, 2020 @ 7:11am

Zombie with a Shotgun

Collect the shotgun.
Unlocked Sep 27, 2020 @ 6:09am

Xen Garden

Enter the explosive Xen infestation.
Unlocked Sep 27, 2020 @ 6:57am

Off the Rails

Stop the prisoner transport train.
Unlocked Sep 27, 2020 @ 7:14am

Checking In

Reach the Northern Star.
Unlocked Sep 27, 2020 @ 8:25am

Heart-Breaker Hotel

Get creative turning the power back on.
Unlocked Sep 27, 2020 @ 8:45am

Surface Tension

Escape the underground pit.
Unlocked Sep 27, 2020 @ 9:02am


Collect the SMG.
Unlocked Sep 27, 2020 @ 9:24am


Shut down the substation.
Unlocked Sep 27, 2020 @ 9:54am

Blast From the Past

Defuse a roomful of explosive barrels.
Unlocked Oct 2, 2020 @ 2:56pm

Flat Note

Kill Jeff.
Unlocked Oct 2, 2020 @ 4:01pm

Crustacean Frustration

Kill the annoying headcrab before it breaks everything.
Unlocked Nov 12, 2020 @ 9:26am

Hold Your Liquor

Catch a bottle falling out of a cupboard before it breaks and alerts Jeff.
Unlocked Oct 2, 2020 @ 3:52pm

Sea Level

Reach the aquatic exhibits.
Unlocked Oct 2, 2020 @ 4:26pm

Triple Bypass

Solve the tanker yard's electrical puzzle and escape.
Unlocked Oct 2, 2020 @ 5:21pm

High Water March

Start climbing the water tower.
Unlocked Oct 9, 2020 @ 10:07am

Textbook Jinxing

Wake the Strider.
Unlocked Oct 9, 2020 @ 10:25am

Point Extraction

Get to the superweapon.
Unlocked Oct 9, 2020 @ 10:58am


Make your choice.
Unlocked Oct 9, 2020 @ 11:02am

Dead Giveaway

Loot a corpse.
Unlocked Sep 27, 2020 @ 4:56am

Smash and Grab

Break open a supply crate with your hands.
Unlocked Sep 27, 2020 @ 6:14am

Up in Arms

Install your first pistol upgrade.
Unlocked Sep 27, 2020 @ 5:37am


Kill a grunt by shooting their gas tank.
Unlocked Sep 27, 2020 @ 7:00am

Indirect Approach

Kill a Combine Heavy while their shield is up.
Unlocked Nov 12, 2020 @ 10:03am

Combine Harvester

Use the gravity gloves to loot an item off a living Combine soldier.
Unlocked Oct 2, 2020 @ 4:54pm

Xen Lootism

Snatch a Xen grenade from its resting place.
Unlocked Sep 27, 2020 @ 8:41am

Safe Trip

Use the multitool to hack a tripmine.
Unlocked Sep 27, 2020 @ 10:05am

Deadliest Catch

Use the gravity gloves to intercept an incoming enemy grenade in mid-flight.
Unlocked Oct 9, 2020 @ 10:05am

Near-Jeff Experience

Stay close to Jeff for 10 seconds (but not too close).
Unlocked Nov 12, 2020 @ 9:18am

Team Spirit

Bring Russell a bottle of vodka.
Unlocked Oct 2, 2020 @ 4:06pm

Gnome Vault of My Own

Bring a garden gnome with you to the Vault.
Unlocked Nov 12, 2020 @ 10:16am

Gnome Alone

If you are reading this achievement, Gabe Newell has successfully launched Gnome Chompski into space. If you did not also receive the achievement 'Manufacturing Ascent', Newell has abandoned his plans to shoot Noam Chomsky into space.
Unlocked Dec 11, 2021 @ 8:04am


1 hidden achievement remaining

Details for each achievement will be revealed once unlocked