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32 of 42 (76%) achievements earned:
Personal Achievements

Hit and Run

Break out of the Combine prisoner transport vehicle.
Unlocked Mar 23, 2020 @ 3:32pm

Quaranta Giorni

Enter the Quarantine Zone.
Unlocked Mar 23, 2020 @ 4:56pm

Mazel Tov

Pick up and smash 50 glass bottles.
Unlocked Mar 25, 2020 @ 6:30pm

Good Grub

Feed the snark.
Unlocked Mar 23, 2020 @ 3:01pm


Receive a tasty treat.
Unlocked Mar 23, 2020 @ 7:49pm

Zombie with a Shotgun

Collect the shotgun.
Unlocked Mar 23, 2020 @ 8:00pm

Xen Garden

Enter the explosive Xen infestation.
Unlocked Mar 24, 2020 @ 4:36pm

Off the Rails

Stop the prisoner transport train.
Unlocked Mar 25, 2020 @ 5:39pm

Checking In

Reach the Northern Star.
Unlocked Mar 25, 2020 @ 6:38pm

Heart-Breaker Hotel

Get creative turning the power back on.
Unlocked Mar 26, 2020 @ 4:01pm

Surface Tension

Escape the underground pit.
Unlocked Mar 26, 2020 @ 4:27pm


Collect the SMG.
Unlocked Mar 26, 2020 @ 4:56pm


Shut down the substation.
Unlocked Mar 27, 2020 @ 4:20pm

Blast From the Past

Defuse a roomful of explosive barrels.
Unlocked Mar 27, 2020 @ 6:21pm

Flat Note

Kill Jeff.
Unlocked Mar 28, 2020 @ 4:27pm

Hold Your Liquor

Catch a bottle falling out of a cupboard before it breaks and alerts Jeff.
Unlocked Mar 28, 2020 @ 4:13pm

Sea Level

Reach the aquatic exhibits.
Unlocked Mar 28, 2020 @ 4:54pm

Triple Bypass

Solve the tanker yard's electrical puzzle and escape.
Unlocked Mar 28, 2020 @ 7:30pm

High Water March

Start climbing the water tower.
Unlocked Mar 28, 2020 @ 8:07pm

Textbook Jinxing

Wake the Strider.
Unlocked Mar 28, 2020 @ 8:24pm

Point Extraction

Get to the superweapon.
Unlocked Mar 28, 2020 @ 9:06pm


Make your choice.
Unlocked Mar 28, 2020 @ 9:10pm

Dead Giveaway

Loot a corpse.
Unlocked Mar 23, 2020 @ 4:27pm

Smash and Grab

Break open a supply crate with your hands.
Unlocked Mar 23, 2020 @ 5:07pm

Up in Arms

Install your first pistol upgrade.
Unlocked Mar 23, 2020 @ 5:09pm


Kill a grunt by shooting their gas tank.
Unlocked Mar 27, 2020 @ 6:23pm

Xen Lootism

Snatch a Xen grenade from its resting place.
Unlocked Mar 25, 2020 @ 6:57pm

Safe Trip

Use the multitool to hack a tripmine.
Unlocked Mar 27, 2020 @ 5:28pm

Deadliest Catch

Use the gravity gloves to intercept an incoming enemy grenade in mid-flight.
Unlocked Mar 27, 2020 @ 6:06pm

Near-Jeff Experience

Stay close to Jeff for 10 seconds (but not too close).
Unlocked Mar 28, 2020 @ 3:40pm

Team Spirit

Bring Russell a bottle of vodka.
Unlocked Mar 28, 2020 @ 4:32pm

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 17, 2021 @ 8:17pm

On a Roll

Interact with the playground somehow.

Freshly Squeezed

Test your grip on a headcrab heart.

Indirect Approach

Kill a Combine Heavy while their shield is up.

Combine Harvester

Use the gravity gloves to loot an item off a living Combine soldier.

6 hidden achievements remaining

Details for each achievement will be revealed once unlocked