Aliens: Dark Descent

45 achievements

Ultra Rare×5

Very Rare×6

Rare×15

Uncommon×11

Common×8

About Aliens: Dark Descent's achievements

Aliens: Dark Descent has 45 Steam achievements, 5 of them ultra-rare — unlocked by under 5% of players. The rarest is "Archivist", earned by just 1.5% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

1.5%

of players earned "Archivist"

🗺️ Community guides & walkthroughs

Community Ratings

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Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All Aliens: Dark Descent achievements

45 achievements

Archivist

Gather all datapads.

Ultra Rare1.5%

???

Hidden achievement — tap Reveal secrets to spoil

Ultra Rare1.9%

Perfect Organism

Finish the game on "No One Can Hear Them Scream" mode.

Ultra Rare2.0%

This Ain't No Picnic

Finish the game on Nightmare.

Ultra Rare2.2%

Fair And Square

Finish the game on Hard.

Ultra Rare4.6%

The True Experience

In any mission, complete at least one objective with only one marine in the squad.

Very Rare6.7%

Perfect Enhancements

During a campaign, unlock every Xeno Tech.

Very Rare10.8%

Hardened In The Heat Of Battle

During a campaign, advance each Marine Class to level 10.

Very Rare11.0%

???

Hidden achievement — tap Reveal secrets to spoil

Very Rare13.8%

Flawless Victory

Keep all of your marines alive during a campaign.

Very Rare14.0%

Recouped Investment

Have one Sentry kill at least 10 aliens.

Very Rare14.0%

This Went Smoothly

Finish the game on Medium.

Rare16.3%

???

Hidden achievement — tap Reveal secrets to spoil

Rare16.8%

Bandage Lover

Advance a Medic to level 10.

Rare20.4%

???

Hidden achievement — tap Reveal secrets to spoil

Rare20.9%

The Cable Guy

Advance a Tecker to level 10.

Rare21.8%

???

Hidden achievement — tap Reveal secrets to spoil

Rare22.3%

One For Every Occasion

During a campaign, unlock every weapon.

Rare22.4%

Frontliner

Advance a Recon to level 10.

Rare22.7%

???

Hidden achievement — tap Reveal secrets to spoil

Rare22.8%

???

Hidden achievement — tap Reveal secrets to spoil

Rare25.1%

El Riesgo Siempre Vive

Advance a Gunner to level 10.

Rare25.2%

???

Hidden achievement — tap Reveal secrets to spoil

Rare26.9%

Come on, You Wanna Live Forever?

Advance a Sergeant to level 10.

Rare27.0%

???

Hidden achievement — tap Reveal secrets to spoil

Rare27.2%

???

Hidden achievement — tap Reveal secrets to spoil

Rare28.5%

Omelette Du Fromage

Destroy 4 eggs with one grenade or an RPG shot.

Uncommon30.3%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon31.3%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon32.1%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon37.2%

Damn Dude, You Gotta Lose Some Weight!

Secure an unconscious marine.

Uncommon37.2%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon41.0%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon42.2%

Colonial Barrels

Kill an enemy by using an explosive barrel.

Uncommon44.9%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon48.3%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon48.4%

People Person

During a campaign, secure 5 survivors.

Uncommon48.9%

This Was No Papercut

Save a marine from dying of Bleeding.

Common51.3%

The Shrink Hates Me

Remove a Trait from a marine.

Common52.4%

Cleaning Lethe, One Nest At A Time

During a campaign, kill 100 Xenomorphs.

Common54.9%

???

Hidden achievement — tap Reveal secrets to spoil

Common56.4%

Call Me Snake

Kill an enemy before they detect the squad.

Common56.4%

Snatched Out

Prevent a marine from being Abducted.

Common62.8%

Keep 'Em Coming

Kill every Alien of a Massive Onslaught.

Common66.6%

???

Hidden achievement — tap Reveal secrets to spoil

Common81.3%