Achievement Breakdown:
Story Related: (14)
Secondary Objectives: (9)
Collectibles: (1)
Slay: (9)


1. Malcontent: Escape the apartment block raid.


2. Trusty Hardware: Get the Crowbar.


3. Anchor’s Aweigh!: Get the Airboat.


4. Heavy Weapons: Get the Airboat’s mounted gun.


5. Revenge!: Destroy the Hunter-Chopper in Half Life 2.


6. Zero Point Energy: Get the Gravity Gun in Black Mesa East.


7. Hallowed Ground: Escort Gregori safely through the church cemetery.


8. Where Cubbage Fears to Tread: Defend Little Odessa from the Gunship attack.


9. Warden Freeman: Survive the second turret standoff in Nova Prospect.


10. Radiation Levels Detected: Get through the toxic tunnel under City 17 in Half-Life 2.


11. Plaza Defender: Survive the generator plaza standoff in chapter Anticitizen One.


12. Fight the Power: Shut down the suppression device by disabling its generators.


13. Giant Killer: Survive the rooftop Strider battle in the ruins of City 17.


14. Singularity Collapse: Destroy the Citadel's reactor core.


1. Defiant: Hit the trashcan cop with the can.


2. Submissive: Put the can in the trash.


3. What Cat?: Break the mini-teleporter in Kleiner’s Lab.


4. Vorticough: Discover the hidden singing Vortigaunt cave in Chapter #4 – Water Hazard.


5. Blast From the Past: Find the HEV suit charger faceplate in Eli’s Scrapyard.


6. Two Points: Use Dog’s ball to make a basket in Eli’s Scrapyard.


7. Zombie Chopper: Play through Ravenholm using only the Gravity Gun.


8. Keep Off the Sand!: Cross the Antlion beach in Chapter #8 – Sandtraps without touching the sand.


9. Follow Freeman: Gain command of a squad of rebels in the uprising.


1. Lambda Collector: Find all 45 Lambda Caches in Half-Life 2.


1. Barnacle Bowling: Kill 5 Barnacles with 1 Barrel.


2. OSHA Violation: Kill 3 enemies using the crane.


3. Targeted Advertising: Pin a Soldier to the billboard in Chapter #7 – Highway 17.


4. Bug Hunt: Use the Antlions to kill 50 enemies.


5. One Man Army: Destroy 6 Gunships in Half Life 2.


6. Flushed: Kill an enemy with a toilet.


7. Hack Attack: Kill 5 enemies with a Man-Hack.


8. Counter Sniper: Kill all 5 of the Snipers in City 17.


9. Atomizer: Disintegrate 15 soldiers by throwing them into a Combine Ball Field.

Achievement Breakdown – Half Life 2 – Episode #1:
Story Related: (5)
Missable: (1)
Secondary Objectives: (2)
Slay: (5)


1. Watch Your Head: Make it to the bottom of the Citadel's main elevator shaft in one piece.


2. Containment: Contain the Citadel core.


3. Elevator Action: Survive long enough to get on the parking garage elevator.


4. Attica!: Destroy the Gunship in the hospital attic.


5. Escape From City 17: Escape City 17 with Alyx.


1. The One Free Bullet: Finish the game firing exactly one bullet. Grenade, Crowbar, Rocket, & Gravity Gun kills are okay!


1. Pacifist: Contain the Citadel core without killing any Stalkers.


2. Citizen Escort: Don't let any Citizens die when escorting them to the escape train.


1. Think Fast!: Kill an Elite Soldier with his own Energy Ball.


2. Conservationist: Kill 5 enemies with the same Energy Ball.


3. Car Crasher: Use the cars to squash 15 Antlions in Episode One.


4. Zombie-que: Use Flares to light 15 Zombies on fire.


5. Live Bait: Help Alyx snipe 30 enemies in Episode One.

Achievement Breakdown – Half Life 2 – Episode #2:
Story Related: (8)
Missable: (1)
Secondary Objectives: (3)
Collectibles: (4)
Slay: (6)
Miscellaneous: (1)


1. 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.


2. Into the Breach: Help Griggs & Sheckley hold off the Antlion invasion inside the mine shaft.


3. Twofer: Defeat both Antlion Guards outside White Forest.


4. Meet the Hunters: Survive the Hunter ambush with Alex.


5. Gunishment!: Destroy the Combine Autogun in the junkyard.


6. Quiet Mountain Getaway: Survive the ambush at White Forest Inn.


7. Secondary Silo Secured: Secure the launch doors on missile silo 2.


8. Defence of the Armament: Save the missile silo from the Combine offensive.


1. Little Rocket Man: Send the garden gnome into space.


1. Puttin’ On A Clinic: Defeat the Hunter-Chopper in Episode #2 without any misses.


2. Pedal to the Metal: Beat Dog in a race to the White Forest base.


3. Neighborhood Watch: Save all 3 buildings outside the missile silo from destruction.


1. Piñata Party: Find & break all 9 Web Cache in Episode #2.


2. Get Some Grub: Squish all 333 Antlion Grubs in Episode #2.


3. Gordon Propelled Rocket: Unlock the Rocket Launcher Lambda Cache in Chapter #5 – Under the Radar.


4. Cache Checker: Find all 5 Radar Caches in Chapter #5 – Under the Radar.


1. Acid Reflex: Kill an Acid Antlion Worker.


2. Deadly Harvest: Kill an enemy by planting a Hopper Mine.


3. Bone Breaker: Kill 30 enemies with thrown physics objects.


4. Payback: Kill a Hunter with its own Flechettes.


5. Hot Potat0wned: Kill a Combine Soldier with his own Grenade.


6. Hit & Run: Run over 20 enemies with the Car in Episode #2.


1. Grave Robber: Steal a Zombine's Grenade.