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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.

Gnome Vault of My Own

Team Spirit

Mag-Snagger

Hold Your Liquor

Near-Jeff Experience

Good Grub

Feed the snark.

Eye of the Geiger

Mazel Tov

Pick up and smash 50 glass bottles.

Safe Trip

Use the multitool to hack a tripmine.

On a Roll

Interact with the playground somehow.

Crustacean Frustration

Little Slugger

Freshly Squeezed

Test your grip on a headcrab heart.

Deadliest Catch

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

Indirect Approach

Kill a Combine Heavy while their shield is up.

Hit and Run

Xen Garden

Zombie with a Shotgun

Collect the shotgun.

Sustenance

Receive a tasty treat.

Quaranta Giorni

Off the Rails

Blast From the Past

Flat Note

Sound Strategy

Unbonded

Collect the SMG.

Heart-Breaker Hotel

Cord-Cutter

Surface Tension

Checking In

Textbook Jinxing

Triple Bypass

High Water March

Sea Level

Consequences

Point Extraction

Smash and Grab

Break open a supply crate with your hands.

Up in Arms

Install your first pistol upgrade.

Pro-Pain

Kill a grunt by shooting their gas tank.

Combine Harvester

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

Dead Giveaway

Loot a corpse.

Xen Lootism

Snatch a Xen grenade from its resting place.