STEAM ACHIEVEMENTS DATABASE
Black Mesa
NameBlack Mesa
ALL achievements50
Overall progress (14%)
Hidden achievements7
Very simple (63%):Brownian Motion
Very folding (2%):Pepperoni Precipitation



Save the link to your profile and you will see a list of achievements which have the introduction of the profile.
Icon Achievement Name OK? Progress Hidden?!
Brownian Motion Brownian Motion
Pass the toilet paper to the Scientist in need.		 ---
62.7%		 ---
Caffeine Extraction Caffeine Extraction
Perform surgical caffeine extraction from 20 vending machines.		 ---
22.8%		 ---
Calculated Trajectory Calculated Trajectory
Kill 10 airborne Headcrabs using the Shotgun.		 ---
14.2%		 ---
Centripetal Attraction Centripetal Attraction
Kill 20 Enemies with the Hivehand.		 ---
24.2%		 ---
Convection Refinement Convection Refinement
Ruin the microwave casserole.		 ---
51.6%		 ---
Dead Reckoning Dead Reckoning
Kill an Assassin with the .357 Magnum.		 ---
23.9%		 ---
Digital Wizardry Digital Wizardry
Kill 10 enemies with a reprogrammed Sentry.		 ---
9.4%		 ---
Ethically Questionable Ethically Questionable
Conduct all of the questionable research experiments.		 ---
5.7%		 ---
Futile Resistance Futile Resistance
Kill 10 Enemies with Snarks.		 ---
7.4%		 ---
Gray Matter Propulsion Gray Matter Propulsion
Headshot 20 Enemies with the .357 Magnum.		 ---
38.9%		 ---
Hyper Saturation Conundrum Hyper Saturation Conundrum
Drown in Lambda Core's coolant.		 ---
6.4%		 ---
Inflammatory Actions Inflammatory Actions
Kill a Headcrab using fire.		 ---
26.3%		 ---
Kinetic Repulsion Kinetic Repulsion
Kill a Marine with their own Grenade.		 ---
6.2%		 ---
Mega Hertz Mega Hertz
Kill 5 Enemies with one Grenade.		 ---
19.4%		 ---
Nuclear Fishin' Nuclear Fishin'
Kill an Ichthyosaur with either the Tau or Gluon.		 ---
12.8%		 ---
Permeable Infrastructure Permeable Infrastructure
Use the alternate path in Office Complex.		 ---
24.3%		 ---
Premature Expulsion Premature Expulsion
Use an entire clip of Gluon ammo in one continuous shot.		 ---
27.1%		 ---
Prophylactic Suggested Prophylactic Suggested
Get overtaken by a Headcrab's ample anterior.		 ---
34.7%		 ---
Proverbial Tinkerer Proverbial Tinkerer
Interfere with the alarm and laptop in Anomalous Materials.		 ---
17.3%		 ---
Quantum Capacitance Quantum Capacitance
Overcharge it anyway.		 ---
19.9%		 ---
Rare Specimen Rare Specimen
Send the Hidden Hat to Xen.		 ---
2.9%		 ---
Remote Detonation Remote Detonation
Kill a Barnacle with a Satchel.		 ---
11.8%		 ---
Resonance Procrastinator Resonance Procrastinator
Refuse to insert the specimen into the Anti-Mass Spectrometer.		 ---
10%		 ---
Unified Coupling Theorum Unified Coupling Theorum
Help the Barnacle and Headcrab find true love.		 ---
6.7%		 ---
Universal Gravitation Universal Gravitation
Get killed by your own Snarks.		 ---
11.3%		 ---
Prolific Popper Prolific Popper
Kill all Protozoans in the Borderworld.		 ---
1.9%		 ---
PhD in Pacifism PhD in Pacifism
Don't kill any Vortigaunts in the Borderworld.		 ---
11.8%		 ---
The Rarest Specimen The Rarest Specimen
 ---
2%		 Hidden
One Step Ahead One Step Ahead
Kill 10 Enemies with Tripmines​​.		 ---
6.1%		 ---
Stealth Technology Stealth Technology
Escape the Hangar in Surface Tension without alerting the Soldiers.		 ---
10.7%		 ---
xen when xen when
 ---
4.2%		 Hidden
Our Brains And Your Brawn Our Brains And Your Brawn
Assemble all the possible Scientists and Guards at the end of Office Complex.		 ---
5.1%		 ---
Less Than Desirable Consequences Less Than Desirable Consequences
Die in the AMS Beam before starting the experiment.		 ---
14.8%		 ---
Orbital Trajectory Orbital Trajectory
Skip the opening Xen island with a secret jump.​		 ---
3.8%		 ---
Following the Rules Following the Rules
 ---
3.8%		 Hidden
Doctor’s Signature Doctor’s Signature
Deliver the finishing blow to Gonarch with your Crowbar.		 ---
3.2%		 ---
Gonad Glider Gonad Glider
Get whacked into oblivion in the ledge fight.		 ---
5.9%		 ---
Post-Mortem Interval Post-Mortem Interval
Find each member of the missing research teams.		 ---
2%		 ---
The Plan The Plan
 ---
2.4%		 Hidden
Unquestionably Ethical Unquestionably Ethical
 ---
2.3%		 Hidden
Contest Propellant Contest Propellant
 ---
10.7%		 Hidden
Laser Immunization Laser Immunization
Complete Interloper without taking any laser damage.		 ---
2.4%		 ---
Black Mesa Decathlon Winner Black Mesa Decathlon Winner
Escape the Gargantua’s Lair without taking any damage from Gargantuas.		 ---
3.5%		 ---
Anti-Matter Over Mind Anti-Matter Over Mind
Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.		 ---
27.7%		 ---
Specimen GG Specimen GG
Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.		 ---
3.1%		 ---
Late for Work Late for Work
Defeat Nihilanth in under 4 minutes.​		 ---
3.2%		 ---
Limitless Potential Limitless Potential
Accept G-Man’s offer of employment.		 ---
24.9%		 ---
Rather an Anticlimax Rather an Anticlimax
Decline G-Man’s offer of employment.		 ---
16.4%		 ---
Pepperoni Precipitation Pepperoni Precipitation
 ---
1.8%		 Hidden
Well-Done Well-Done
Cook a Grenade for too long.		 ---
18.6%		 ---

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