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Half-Life Legacy Achievements · SteamPeaks

Apps Half-Life LegacyAchievements

Half-Life Legacy

GameApp ID 3,619,040by The Phoenix Project Software SVGReleased 12 Dec 2025

Playing now

15

All-time peak

26

14:03 UTC · 5 Oct 2026steampeaks.com

WindowsEngine —

View on SteamSteamCompare Share

App ID3,619,040

Release date12 Dec 2025

Engine—

Install size1.04 GB

TypeGame

Last update23 Apr 2026

Steam Deck—

DLC0

DeveloperThe Phoenix Project Software SVG

Changenumber39,329,534

Price—

Packages0

PublisherThe Phoenix Project Software SVG

SystemsWindows

Followers—

Depots13

Compare this game

Half-Life Legacy

The Phoenix Project Software SVG
Released 12 Dec 2025·App 3619040

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

Playing now

15

+1 vs. yesterday

58%of peak

All-time peak

26

2 Oct 2026

Updated 5 Oct 2026, 14:03 UTCData by

Data

Price history Charts Patches News Reviews Audience Estimates Availability

Technical

Metadata Packages DLC Depots13 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Achievements Overview Price history Charts Patches News Reviews Audience Estimates Availability Metadata Packages DLC Depots13 Requirements Install size Configuration Cloud saves Community Media Related apps Update history Store history Full details

Every achievement on record

Achievements

68 achievements · 4 secret

You're just as bad as them.
Kill a scientist.
—
Zapped to oblivion
Complete Power Up.
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Poor Big Momma...
Complete Gonarch's Lair.
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On-the-Line
Complete Uplink.
—

SteamPeaks.com

Settled in!

Complete the Hazard Course.

—

Morning, Mr. Freeman

Sit through the Tram Ride and complete Black Mesa Inbound.

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A small discrepency

Witness (and indirectly cause) the Black Mesa Incident and complete Anomalous Materials.

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To the surface

Conform to Eli's mission and complete Unforeseen Consequences.

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Bad day to be Dr. Newell

Complete Office Complex.

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Bad day to be part of the Science Team

Survive the HECU infiltration and complete "We've Got Hostiles."

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4000 Degrees Kelvin

Complete Blast Pit.

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Liftoff

Complete On a Rail.

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Nice catch

Complete Apprenhension.

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Got enough conveyors?

Complete the labyrinth that is Residue Processing.

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You weren't authorized to know about that.

Complete Questionable Ethics.

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War Games

Complete Surface Tension.

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Descension

Survive the mortars and complete "Forget About Freeman."

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Brave New World

Complete Lambda Core.

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So beautiful I could cry

Complete Xen.

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Penultimatum

Complete Interloper.

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I think I just saved the world...

Complete Nihilanth.

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...or I suppose not.Secret

Steam withholds the description of a secret achievement.

—

...or did I?Secret

Steam withholds the description of a secret achievement.

—

I'm not following you, you evil person!

In Unforeseen Consequences, kill the security guard fighting the zombie to take his gun.

—

Explorer

In Office Complex, find Barney's hideout.

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Stealth & Action

Disengage the first turret in Office Complex.

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Explorer II

Find the Maintenance Area in Office Complex.

—

Explorer III

Find the grenade cache near the end of Office Complex.

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No more ropes

Kill 15 barnacles.

—

Owowowowowow!

Destroy 5 turrets. (excludes ceiling mounted turrets)

—

Got the Chills

In Office Complex, solve the chiller puzzle.

—

Bye bye headhumpers!

Kill 500 headcrabs.

—

Freed, in another kind of way

Kill 100 Alien Slaves. Don't worry, you'll come to regret this.

—

Not Magnusson's Meal...

In Anomalous Materials, destroy, uh... you-know-who's lunch.

—

You've got mail

In Anomalous Materials, open the Message Terminal.

—

Hygiene is important

In Anomalous Materials, dry your hands.

—

Defiant

In Anomalous Materials, refuse to put on the HEV Suit.

—

Explorer IV

In We've Got Hostiles, find the base upon the conveyor belts.

—

Martial hierarchy

Kill an assassin.

—

Kind-hearted soul

In Questionable Ethics, free the Alien Grunt.

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A new toy! Can I play?

In Questionable Ethics, activate the steriliser.

—

He let it overcharge.

In Questionable Ethics, retrieve the Tau Cannon.

—

Defeating physics

In Questionable Ethics, use the laser to destroy the wall.

—

Me and my Tau Cannon

In Surface Tension, destroy the first Apache.

—

Me and my Tau Cannon II

In Surface Tension, destroy the second Apache after leaving the dam.

—

Better than a Snake

In Surface Tension, successfully dodge all the tripmines before descending.

—

Mortar'd to oblivion

In Surface Tension, kill the Gargantua.

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2 days have paid off

Reach the bottom of the Lambda Complex.

—

PUMP STATION 01

In Lambda Core, activate Pump Station 01.

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PUMP STATION 02

In Lambda Core, activate Pump Station 02.

—

All of those puzzles have paid off

Reach Level A in the Lambda Complex.

—

Boss baby

Kill a Controller.

—

Not the Only Achievement

Welcome to Half-Life Legacy.

—

Me and my RPG

In Surface Tension, destroy the third Apache on the cliffside.

—

Yummers

Heal yourself with a soda.

—

Marathon

In any desired order, complete the Hazard Course, Uplink, and Half-Life back to back. Doing them in one sitting is NOT required.

—

Instigator

In Anomalous Materials, sound the alarm at the reception.

—

CheaterSecret

Steam withholds the description of a secret achievement.

—

Uplink Explorer

In Uplink, find the shotgun room.

—

Hello, Gordon!

In Nihilanth, find the one and only living scientist in one of the chambers.

—

Signature moveSecret

Steam withholds the description of a secret achievement.

—

Third time's the charm

In Interloper, kill the Gargantua.

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Demolition Man

Break 250 objects (crates, boxes, barrels, etc.)

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Explorer V

In On a Rail, find the secret cache aside an elevator.

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Explorer VI

In Blast Pit, find the hidden chargers.

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Explorer VII

In Apprehension, find the hidden cache.

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Explorer VIII

In Forget About Freeman, find the secret room.

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Explorer IX

In Interloper, find the spiral.

—

Names, descriptions and icons are the game’s own, as Steam publishes them.