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29 of 42 (69%) achievements earned:
Personal Achievements
 

Hit and Run

Break out of the Combine prisoner transport vehicle.
Unlocked 13 Jul, 2022 @ 11:08pm

Quaranta Giorni

Enter the Quarantine Zone.
Unlocked 13 Jul, 2022 @ 11:33pm

Mazel Tov

Pick up and smash 50 glass bottles.
Unlocked 14 Jul, 2022 @ 7:18pm

Good Grub

Feed the snark.
Unlocked 13 Jul, 2022 @ 10:57pm

Mag-Snagger

Catch Russell's ammo magazine before it hits the ground.
Unlocked 13 Jul, 2022 @ 11:15pm

Sustenance

Receive a tasty treat.
Unlocked 14 Jul, 2022 @ 12:13am

Zombie with a Shotgun

Collect the shotgun.
Unlocked 14 Jul, 2022 @ 12:18am

Xen Garden

Enter the explosive Xen infestation.
Unlocked 14 Jul, 2022 @ 1:23pm

Off the Rails

Stop the prisoner transport train.
Unlocked 14 Jul, 2022 @ 1:41pm

Checking In

Reach the Northern Star.
Unlocked 14 Jul, 2022 @ 2:21pm

Heart-Breaker Hotel

Get creative turning the power back on.
Unlocked 14 Jul, 2022 @ 2:48pm

Surface Tension

Escape the underground pit.
Unlocked 14 Jul, 2022 @ 3:03pm

Unbonded

Collect the SMG.
Unlocked 14 Jul, 2022 @ 3:34pm

Cord-Cutter

Shut down the substation.
Unlocked 14 Jul, 2022 @ 4:27pm

Blast From the Past

Defuse a roomful of explosive barrels.
Unlocked 14 Jul, 2022 @ 6:29pm

Flat Note

Kill Jeff.
Unlocked 14 Jul, 2022 @ 7:55pm

Hold Your Liquor

Catch a bottle falling out of a cupboard before it breaks and alerts Jeff.
Unlocked 14 Jul, 2022 @ 7:40pm

Sea Level

Reach the aquatic exhibits.
Unlocked 14 Jul, 2022 @ 8:57pm

Triple Bypass

Solve the tanker yard's electrical puzzle and escape.
Unlocked 14 Jul, 2022 @ 9:46pm

High Water March

Start climbing the water tower.
Unlocked 14 Jul, 2022 @ 11:05pm

Textbook Jinxing

Wake the Strider.
Unlocked 14 Jul, 2022 @ 11:24pm

Point Extraction

Get to the superweapon.
Unlocked 14 Jul, 2022 @ 11:46pm

Consequences

Make your choice.
Unlocked 14 Jul, 2022 @ 11:50pm

Dead Giveaway

Loot a corpse.
Unlocked 13 Jul, 2022 @ 11:20pm

Smash and Grab

Break open a supply crate with your hands.
Unlocked 14 Jul, 2022 @ 12:21am

Up in Arms

Install your first pistol upgrade.
Unlocked 13 Jul, 2022 @ 11:45pm

Xen Lootism

Snatch a Xen grenade from its resting place.
Unlocked 14 Jul, 2022 @ 2:41pm

Safe Trip

Use the multitool to hack a tripmine.
Unlocked 14 Jul, 2022 @ 4:45pm

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 6 Jan, 2022 @ 5:24pm



On a Roll

Interact with the playground somehow.

Freshly Squeezed

Test your grip on a headcrab heart.

Pro-Pain

Kill a grunt by shooting their gas tank.

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.

Deadliest Catch

Use the gravity gloves to intercept an incoming enemy grenade in mid-flight.
+7

7 hidden achievements remaining

Details for each achievement will be revealed once unlocked