| Achievement | Points |
|---|---|
 Certified Hazard Course Graduate Complete all tasks in the Black Mesa Hazard Course |
5 |
 A Red Letter Day Now arriving at: Sector C Test Labs. (Complete "Black Mesa Inbound" on any difficulty) |
1 |
 MIT Dropout Die while testing the Anti-Mass Spectrometer |
2 |
 The Right Man in the Wrong Place Cause a Resonance Cascade. (Complete "Anomalous Materials" on any difficulty) |
3 |
 Save Our Souls Please get to the surface as soon as you can! (Complete "Unforeseen Consequences" on any difficulty) |
5 |
 Ground Zero Hero Complete "Unforeseen Consequences" on Difficult |
10 |
 Clocking Out Early What if the world finds out what we were doing down here..? (Complete "Office Complex" on any difficulty) |
5 |
 Hostile Takeover Complete "Office Complex" on Difficult |
10 |
 Cover Up They're coming for us, it's our only way out! (Complete "We've Got Hostiles" on any difficulty) |
5 |
 Abandon Hope Complete "We've Got Hostiles" on Difficult |
10 |
 Quadrazid Would Be Proud Complete "We've Got Hostiles" in under 27:00 In-Game Time. (Quicksaves are allowed) |
25 |
 Calamity Calamari Be quiet. This thing hears us. (Complete "Blast Pit" on any difficulty) |
10 |
 Killer Kraken Complete "Blast Pit" on Difficult |
10 |
 Bright Spark That train'll take us to the surface... (Complete "Power Up" on any difficulty) |
10 |
 Power Surge Complete "Power Up" on Difficult |
10 |
 Crazy Train Oh yeah, he'll pay. He will definitely pay. (Complete "On A Rail" on any difficulty) |
10 |
 Dirty Deeds Done Dirt Cheap Complete "On A Rail" on Difficult |
10 |
 Off A Rail After the first load zone, finish "On A Rail" without interacting with any trains (Quicksaves are allowed) |
10 |
 Lights Out We got 'im. Let's kill him now! (Complete "Apprehension" on any difficulty) |
10 |
 Captive Freight Complete "Apprehension" on Difficult |
10 |
 Carbon Footprint Work safe, work smart. Your future depends on it. (Complete "Residue Processing" on any difficulty) |
10 |
 Eco-Terrorism Complete "Residue Processing" on Difficult |
10 |
 Playing God I'm warning you, it's hell out there... (Complete "Questionable Ethics" on any difficulty) |
10 |
 Area 51 Complete "Questionable Ethics" on Difficult |
10 |
 Army of One Come in! Cooper, do you copy? (Complete "Surface Tension" on any difficulty) |
10 |
 Live For Nothing, Or Die For Something. Complete "Surface Tension" on Difficult |
25 |
 F.U.B.A.R! We are cutting our losses and pulling out! (Complete "Forget About Freeman" on any difficulty) |
10 |
 Last Man Standing Complete "Forget About Freeman" on Difficult |
10 |
 Quantum Leap It's ready! You must go, now! (Complete "Lambda Core" on any difficulty) |
10 |
 Doctor Manhattan Complete "Lambda Core" on Difficult |
25 |
 Space Odyssey If you don't wipe it out, there won't be much for you to come home to... (Complete "Xen" on any difficulty) |
10 |
 Far Above the World Complete "Xen" on Difficult |
10 |
 Kabourophobia Can you imagine what the next stage of mutation looks like? (Complete "Gonarch's Lair" on any difficulty) |
10 |
 Krabby Splatty Complete "Gonarch's Lair" on Difficult |
10 |
 Toy Soldiers The last... I am the last... (Complete "Interloper" on any difficulty) |
10 |
 Dead Spaceman Complete "Interloper" on Difficult |
25 |
 The One Free Man ...? (Complete "Nihilanth" on any difficulty) |
25 |
 Destroyer of Worlds Complete "Nihilanth" on Difficult |
50 |
 Employee of the Month Accept the G-Man's offer |
5 |
 Redundancy Package Decline the G-Man's offer |
5 |
 Up For Promotion On a new save, beat "Lambda Core" on Difficult in a single session within 2 hours of in-game time. (Quicksaves are allowed) |
100 |
 HAX! Cheats enabled means achievements disabled unless specified otherwise by achievement |
0 |
 Galunga Complete "Lambda Core" as a Vortigaunt with the Alien cheat enabled |
50 |
 Impulse 101 Have every weapon in your inventory at once |
10 |
 Freeware Fighter Complete Half-Life: Uplink |
10 |
 NEED FURTHER DATA Complete Half-Life: Uplink on Hard |
10 |
 Sisters in Service, to a Brother in Arms Witness the Resonance Cascade through Gina Cross and Colette Green's eyes |
3 |
 Disaster Level Critical "This is a Resonance Cascade, Dr. Rosenberg..." (Complete "Dual Access") |
5 |
 Dual Access Dominator Complete "Dual Access" with both Gina and Colette achieving an A Grade |
10 |
 Blunt Force Dissection Complete "Dual Access" with all Kills and 100% Accuracy with both Gina and Colette |
10 |
 Teamwork Makes the Dream.. Nevermind In "Dual Access", have 60% Suit charge in Single Player, or as Gina in Co-op |
5 |
 Safety First "Hello, and welcome to the Black Mesa Hazard Course!" (Complete "Hazardous Course") |
5 |
 OSHA Operative Complete "Hazardous Course" with both Gina and Colette achieving an A Grade |
10 |
 Black Mesa Munitions Training Graduate Complete "Hazardous Course" with all kills |
5 |
 Alright, Who's Not Dead? Sound Off! "Dr. Keller? Dr. Keller? Do you read me?" (Complete "Surface Call") |
5 |
 GameSpy Servers Online Complete "Surface Call" with both Gina and Colette achieving an A Grade |
10 |
 Mounting Pressure "You must reset the lock now!" (Complete "Resonance") |
10 |
 Boiling Point Complete "Resonance" with both Gina and Colette achieving an A Grade |
10 |
 Homefront Hostility "The dimensional rift must be sealed!" (Complete "Domestic Violence") |
10 |
 Dorms of Death Complete "Domestic Violence" with both Gina and Colette achieving an A Grade |
10 |
 Bugs Buddy In "Domestic Violence", obtain a Snark from an unfortunate security guard |
5 |
 Contingency Plan "You'll have to unlock them from inside..." (Complete "Code Green") |
10 |
 Code Red Complete "Code Green" with both Gina and Colette achieving an A Grade |
10 |
 Beacon of Hope "It's our only chance!" (Complete "Crossfire") |
10 |
 I'm Sending Out an S.O.S. Complete "Crossfire" with both Gina and Colette achieving an A Grade |
10 |
 Power Surge "We must act, now!" (Complete "Intensity") |
10 |
 Enter The Matrix Complete "Intensity" with both Gina and Colette achieving an A Grade |
10 |
 Haha Gina, You Are Activating My Beacon! After restarting your game, load up "Intensity" and have Dr. Keller tell you to do stuff |
5 |
 Crystal Cleared "Protect the beacon at all costs!" (Complete "Rift") |
25 |
 All That Remains Complete "Rift" with both Gina and Colette achieving an A Grade |
50 |
 Drone Strike "Thieves... You are all... Thieves!" (Complete "Xen Attacks") |
10 |
 I Need to Sell Your Xen Crystals Complete "Xen Attacks" with both Drone X-8973 and Drone R-4913 achieving an A Grade |
50 |