Triple Bypass
Not unlocked yetSolve the tanker yard's electrical puzzle and escape.
High Water March
Not unlocked yetStart climbing the water tower.
Textbook Jinxing
Not unlocked yetWake the Strider.
Point Extraction
Not unlocked yetGet to the superweapon.
Consequences
Not unlocked yetMake your choice.
Dead Giveaway
Not unlocked yetLoot a corpse.
Smash and Grab
Not unlocked yetBreak open a supply crate with your hands.
Up in Arms
Not unlocked yetInstall your first pistol upgrade.
Pro-Pain
Not unlocked yetKill a grunt by shooting their gas tank.
Indirect Approach
Not unlocked yetKill a Combine Heavy while their shield is up.
Combine Harvester
Not unlocked yetUse the gravity gloves to loot an item off a living Combine soldier.
Xen Lootism
Not unlocked yetSnatch a Xen grenade from its resting place.
Safe Trip
Not unlocked yetUse the multitool to hack a tripmine.
Deadliest Catch
Not unlocked yetUse the gravity gloves to intercept an incoming enemy grenade in mid-flight.
Near-Jeff Experience
Not unlocked yetStay close to Jeff for 10 seconds (but not too close).
Team Spirit
Not unlocked yetBring Russell a bottle of vodka.
Gnome Vault of My Own
Not unlocked yetBring a garden gnome with you to the Vault.
Gnome Alone
Not unlocked yetIf 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.