Half-Life 2: Episode One

Half-Life 2: Episode One

13 achievements

Very Rare×4

Rare×3

Uncommon×2

Common×4

About Half-Life 2: Episode One's achievements

Half-Life 2: Episode One has 13 Steam achievements. The rarest is "Zombie-que", earned by just 9.1% of players. 72 SteamVault members have 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

9.1%

of players earned "Zombie-que"

SteamVault 100%s

72

members fully completed it

🗺️ Community guides & walkthroughs

Community Ratings

No ratings yet

Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All Half-Life 2: Episode One achievements

13 achievements

Zombie-que

Use flares to light 15 zombies on fire.

Very Rare9.1%

The One Free Bullet

Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!

Very Rare9.6%

Conservationist

Kill five enemies with the same energy ball.

Very Rare10.6%

Pacifist

Contain the Citadel core without killing any stalkers.

Very Rare11.0%

Car Crusher

Use the cars to squash 15 antlions in Episode One.

Rare16.1%

Think Fast!

Kill an Elite Soldier with his own energy ball.

Rare26.8%

Live Bait

Help Alyx snipe 30 enemies in Episode One.

Rare28.8%

Citizen Escort

Don't let any citizens die when escorting them to the escape train.

Uncommon32.5%

Escape From City 17

Escape City 17 with Alyx.

Uncommon48.6%

Attica!

Destroy the gunship in the hospital attic.

Common51.3%

Elevator Action

Survive long enough to get on the parking garage elevator.

Common54.1%

Containment

Contain the Citadel core.

Common60.2%

Watch Your Head!

Make it to the bottom of the Citadel's main elevator shaft in one piece.

Common62.4%