- +6
- Par
- 37
- Threshold
- 19h 30m
- Last Unlock Playtime
- 12h 59m
- Estimated
- 41m
- Average
- 2020-10-13 09:51:56
- Last Played
- 2019-03-11 12:45:58
- Previously Completed
- 2017-05-11 17:42:16
- First Unlock & Started
- 3 years 5 months 2 weeks 6 days 16 hours 6 minutes
- Time Taken
Players
| Player | Completion | Achievements | Completion Time | Playtime | Last Unlock | ||
|---|---|---|---|---|---|---|---|
| Bayleavess | 62% | 31 / 50 | 20h 36m | 2024-04-17 22:18:22 | |||
| Tree Walking Eastbound | 6% | 3 / 50 | 1h 1m | 2024-04-17 14:32:44 | |||
| Yuecchi | 100% | 50 | 67h 35m | 67h 35m | 2024-04-16 16:11:32 | ||
| SooFany | 40% | 20 / 50 | 17h 25m | 2024-04-15 14:33:21 | |||
| Mirra | 94% | 47 / 50 | 42h 30m | 2024-04-14 14:22:14 | |||
| Closetoad | 66% | 33 / 50 | 50h 19m | 2024-04-10 02:38:11 | |||
| Ktosalenieja | 6% | 3 / 50 | 7h 0m | 2024-04-05 17:42:19 | |||
| Kazito | 12% | 6 / 50 | 48m | 2024-04-04 18:57:43 | |||
| LucasTheYeti | 26% | 13 / 50 | 14h 20m | 2024-04-04 18:27:14 | |||
| Alvax | 100% | 50 | 73h 15m | 73h 15m | 2024-04-04 14:14:23 |
| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
Well-Done
Cook a Grenade for too long. |
2020-10-13 09:48:30 | 17.6% | ||
|
Less Than Desirable Consequences
Die in the AMS Beam before starting the experiment. |
2020-10-13 09:34:28 | 14.0% | ||
|
Limitless Potential
Accept G-Man’s offer of employment. |
2020-10-13 09:05:39 | 23.6% | ||
|
Rather an Anticlimax
Decline G-Man’s offer of employment. |
2020-10-13 09:04:45 | 15.4% | ||
|
PhD in Pacifism
Don't kill any Vortigaunts in the Borderworld. |
2020-10-13 08:37:32 | 11.0% | ||
|
Anti-Matter Over Mind
Kill a Controller without killing any of its mind-controlled Vortigaunt slaves. |
2020-10-12 11:58:39 | 26.4% | ||
|
Rare Specimen
Send the Hidden Hat to Xen. |
2019-03-11 12:45:58 | 2.8% | ||
|
Caffeine Extraction
Perform surgical caffeine extraction from 20 vending machines. |
2017-05-15 13:36:37 | 22.9% | ||
|
Unified Coupling Theorum
Help the Barnacle and Headcrab find true love. |
2017-05-15 13:21:43 | 6.4% | ||
|
Digital Wizardry
Kill 10 enemies with a reprogrammed Sentry. |
2017-05-15 12:31:58 | 9.3% | ||
|
Ethically Questionable
Conduct all of the questionable research experiments. |
2017-05-12 19:12:38 | 5.6% | ||
|
Premature Expulsion
Use an entire clip of Gluon ammo in one continuous shot. |
2017-05-12 17:33:22 | 26.3% | ||
|
Hyper Saturation Conundrum
Drown in Lambda Core's coolant. |
2017-05-12 17:31:25 | 6.3% | ||
|
Kinetic Repulsion
Kill a Marine with their own Grenade. |
2017-05-12 16:53:39 | 6.0% | ||
|
Futile Resistance
Kill 10 Enemies with Snarks. |
2017-05-12 16:46:43 | 7.2% | ||
|
Remote Detonation
Kill a Barnacle with a Satchel. |
2017-05-12 16:44:58 | 11.5% | ||
|
Universal Gravitation
Get killed by your own Snarks. |
2017-05-12 16:31:10 | 11.1% | ||
|
Mega Hertz
Kill 5 Enemies with one Grenade. |
2017-05-12 16:14:23 | 18.9% | ||
|
Centripetal Attraction
Kill 20 Enemies with the Hivehand. |
2017-05-12 16:05:15 | 24.2% | ||
|
Nuclear Fishin'
Kill an Ichthyosaur with either the Tau or Gluon. |
2017-05-12 15:03:47 | 12.4% | ||
|
Quantum Capacitance
Overcharge it anyway. |
2017-05-12 14:40:17 | 19.7% | ||
|
Dead Reckoning
Kill an Assassin with the .357 Magnum. |
2017-05-12 13:26:59 | 23.3% | ||
|
Calculated Trajectory
Kill 10 airborne Headcrabs using the Shotgun. |
2017-05-12 10:16:19 | 14.0% | ||
|
Gray Matter Propulsion
Headshot 20 Enemies with the .357 Magnum. |
2017-05-12 10:03:14 | 38.7% | ||
|
Proverbial Tinkerer
Interfere with the alarm and laptop in Anomalous Materials. |
2017-05-11 19:00:15 | 17.0% | ||
|
Permeable Infrastructure
Use the alternate path in Office Complex. |
2017-05-11 18:22:37 | 24.1% | ||
|
Prophylactic Suggested
Get overtaken by a Headcrab's ample anterior. |
2017-05-11 18:05:09 | 34.4% | ||
|
Inflammatory Actions
Kill a Headcrab using fire. |
2017-05-11 18:01:07 | 25.5% | ||
|
Resonance Procrastinator
Refuse to insert the specimen into the Anti-Mass Spectrometer. |
2017-05-11 17:54:27 | 9.8% | ||
|
Convection Refinement
Ruin the microwave casserole. |
2017-05-11 17:42:58 | 51.2% | ||
|
Brownian Motion
Pass the toilet paper to the Scientist in need. |
2017-05-11 17:42:16 | 62.5% | ||
|
Stealth Technology
Escape the Hangar in Surface Tension without alerting the Soldiers. |
10.1% | |||
|
Contest Propellant
Find the snack supply canister. |
10.1% | |||
|
One Step Ahead
Kill 10 Enemies with Tripmines. |
5.8% | |||
|
Gonad Glider
Get whacked into oblivion in the ledge fight. |
5.5% | |||
|
Our Brains And Your Brawn
Assemble all the possible Scientists and Guards at the end of Office Complex. |
4.8% | |||
|
xen when
Wait too long to jump into the Lambda Teleporter. |
3.8% | |||
|
Following the Rules
Use the welcome mat. |
3.5% | |||
|
Orbital Trajectory
Skip the opening Xen island with a secret jump. |
3.5% | |||
|
Black Mesa Decathlon Winner
Escape the Gargantua’s Lair without taking any damage from Gargantuas. |
3.2% | |||
|
Doctor’s Signature
Deliver the finishing blow to Gonarch with your Crowbar. |
3.0% | |||
|
Late for Work
Defeat Nihilanth in under 4 minutes. |
2.9% | |||
|
Specimen GG
Take out all three Healing Crystals in Nihilanth’s Chamber at the same time. |
2.8% | |||
|
The Plan
Use Cyanogen to kill Gonarch. |
2.2% | |||
|
Laser Immunization
Complete Interloper without taking any laser damage. |
2.2% | |||
|
Unquestionably Ethical
Don't use the Cyanogen and let the Gonarch live. |
2.0% | |||
|
The Rarest Specimen
Carry the Hidden Hat to Endgame. |
1.8% | |||
|
Post-Mortem Interval
Find each member of the missing research teams. |
1.8% | |||
|
Prolific Popper
Kill all Protozoans in the Borderworld. |
1.7% | |||
|
Pepperoni Precipitation
View the *other* secret ending. |
1.6% |