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

Hit and Run

Break out of the Combine prisoner transport vehicle.
Unlocked Feb 13, 2021 @ 7:25am

Quaranta Giorni

Enter the Quarantine Zone.
Unlocked Feb 13, 2021 @ 8:35am

Mazel Tov

Pick up and smash 50 glass bottles.
Unlocked Feb 13, 2021 @ 2:01pm

Good Grub

Feed the snark.
Unlocked Feb 13, 2021 @ 7:00am


Catch Russell's ammo magazine before it hits the ground.
Unlocked Feb 13, 2021 @ 7:45am


Receive a tasty treat.
Unlocked Feb 13, 2021 @ 9:57am

Zombie with a Shotgun

Collect the shotgun.
Unlocked Feb 13, 2021 @ 10:14am

Xen Garden

Enter the explosive Xen infestation.
Unlocked Feb 13, 2021 @ 12:58pm

Off the Rails

Stop the prisoner transport train.
Unlocked Feb 13, 2021 @ 1:47pm

Checking In

Reach the Northern Star.
Unlocked Feb 20, 2021 @ 6:51am

Heart-Breaker Hotel

Get creative turning the power back on.
Unlocked Feb 20, 2021 @ 7:49am

Surface Tension

Escape the underground pit.
Unlocked Feb 28, 2021 @ 6:36am


Collect the SMG.
Unlocked Feb 28, 2021 @ 8:14am


Shut down the substation.
Unlocked Feb 28, 2021 @ 9:10am

Blast From the Past

Defuse a roomful of explosive barrels.
Unlocked Feb 28, 2021 @ 12:50pm

Flat Note

Kill Jeff.
Unlocked Mar 6, 2021 @ 7:32am

Hold Your Liquor

Catch a bottle falling out of a cupboard before it breaks and alerts Jeff.
Unlocked Mar 6, 2021 @ 7:10am

Sea Level

Reach the aquatic exhibits.
Unlocked Mar 6, 2021 @ 8:39am

Triple Bypass

Solve the tanker yard's electrical puzzle and escape.
Unlocked Mar 6, 2021 @ 11:20am

High Water March

Start climbing the water tower.
Unlocked Mar 6, 2021 @ 12:35pm

Textbook Jinxing

Wake the Strider.
Unlocked Mar 6, 2021 @ 1:16pm

Point Extraction

Get to the superweapon.
Unlocked Mar 6, 2021 @ 2:15pm


Make your choice.
Unlocked Mar 6, 2021 @ 2:20pm

Dead Giveaway

Loot a corpse.
Unlocked Feb 13, 2021 @ 7:52am

Smash and Grab

Break open a supply crate with your hands.
Unlocked Feb 13, 2021 @ 9:14am

Up in Arms

Install your first pistol upgrade.
Unlocked Feb 13, 2021 @ 8:59am


Kill a grunt by shooting their gas tank.
Unlocked Feb 13, 2021 @ 1:16pm

Xen Lootism

Snatch a Xen grenade from its resting place.
Unlocked Feb 20, 2021 @ 7:30am

Safe Trip

Use the multitool to hack a tripmine.
Unlocked Feb 28, 2021 @ 10:11am

Deadliest Catch

Use the gravity gloves to intercept an incoming enemy grenade in mid-flight.
Unlocked Mar 6, 2021 @ 12:28pm

Near-Jeff Experience

Stay close to Jeff for 10 seconds (but not too close).
Unlocked Mar 6, 2021 @ 6:00am

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 Jan 15, 2021 @ 3:06am

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