![Brownian Motion](images/icons/unlocked/114549.jpg) |
Brownian Motion |
Pass the toilet paper to the Scientist in need. |
05/06/2015 04:16:30 |
0.29 |
|
![Caffeine Extraction](images/icons/unlocked/114550.jpg) |
Caffeine Extraction |
Perform surgical caffeine extraction from 20 vending machines. |
05/06/2015 04:16:30 |
0.58 |
|
![Calculated Trajectory](images/icons/unlocked/114551.jpg) |
Calculated Trajectory |
Kill 10 airborne Headcrabs using the Shotgun. |
05/06/2015 04:16:30 |
0.78 |
|
![Centripetal Attraction](images/icons/unlocked/114552.jpg) |
Centripetal Attraction |
Kill 20 Enemies with the Hivehand. |
05/06/2015 04:16:30 |
0.69 |
|
![Convection Refinement](images/icons/unlocked/114554.jpg) |
Convection Refinement |
Ruin the microwave casserole. |
05/06/2015 04:16:31 |
0.34 |
|
![Dead Reckoning](images/icons/unlocked/114555.jpg) |
Dead Reckoning |
Kill an Assassin with the .357 Magnum. |
05/06/2015 04:16:32 |
0.68 |
|
![Digital Wizardry](images/icons/unlocked/114556.jpg) |
Digital Wizardry |
Kill 10 enemies with a reprogrammed Sentry. |
05/06/2015 04:16:32 |
0.93 |
|
![Ethically Questionable](images/icons/unlocked/114557.jpg) |
Ethically Questionable |
Conduct all of the questionable research experiments. |
05/06/2015 04:16:33 |
1.03 |
|
![Futile Resistance](images/icons/unlocked/114558.jpg) |
Futile Resistance |
Kill 10 Enemies with Snarks. |
05/06/2015 04:16:33 |
1.02 |
|
![Gray Matter Propulsion](images/icons/unlocked/114559.jpg) |
Gray Matter Propulsion |
Headshot 20 Enemies with the .357 Magnum. |
05/06/2015 04:16:34 |
0.47 |
|
![Hyper Saturation Conundrum](images/icons/unlocked/114560.jpg) |
Hyper Saturation Conundrum |
Drown in Lambda Core's coolant. |
05/06/2015 04:16:34 |
0.99 |
|
![Inflammatory Actions](images/icons/unlocked/114561.jpg) |
Inflammatory Actions |
Kill a Headcrab using fire. |
05/06/2015 04:16:34 |
0.64 |
|
![Kinetic Repulsion](images/icons/unlocked/114562.jpg) |
Kinetic Repulsion |
Kill a Marine with their own Grenade. |
05/06/2015 04:16:35 |
1.01 |
|
![Mega Hertz](images/icons/unlocked/114563.jpg) |
Mega Hertz |
Kill 5 Enemies with one Grenade. |
05/06/2015 04:16:35 |
0.76 |
|
![Nuclear Fishin'](images/icons/unlocked/114564.jpg) |
Nuclear Fishin' |
Kill an Ichthyosaur with either the Tau or Gluon. |
05/06/2015 04:16:35 |
0.87 |
|
![Permeable Infrastructure](images/icons/unlocked/114565.jpg) |
Permeable Infrastructure |
Use the alternate path in Office Complex. |
05/06/2015 04:16:35 |
0.64 |
|
![Premature Expulsion](images/icons/unlocked/114566.jpg) |
Premature Expulsion |
Use an entire clip of Gluon ammo in one continuous shot. |
05/06/2015 04:16:35 |
0.66 |
|
![Prophylactic Suggested](images/icons/unlocked/114567.jpg) |
Prophylactic Suggested |
Get overtaken by a Headcrab's ample anterior. |
05/06/2015 04:16:36 |
0.54 |
|
![Proverbial Tinkerer](images/icons/unlocked/114568.jpg) |
Proverbial Tinkerer |
Interfere with the alarm and laptop in Anomalous Materials. |
05/06/2015 04:16:36 |
0.67 |
|
![Quantum Capacitance](images/icons/unlocked/114569.jpg) |
Quantum Capacitance |
Overcharge it anyway. |
05/06/2015 04:16:36 |
0.72 |
|
![Rare Specimen](images/icons/unlocked/114570.jpg) |
Rare Specimen |
Send the Hidden Hat to Xen. |
05/06/2015 04:16:36 |
1.25 |
|
![Remote Detonation](images/icons/unlocked/114571.jpg) |
Remote Detonation |
Kill a Barnacle with a Satchel. |
05/06/2015 04:16:36 |
0.84 |
|
![Resonance Procrastinator](images/icons/unlocked/114572.jpg) |
Resonance Procrastinator |
Refuse to insert the specimen into the Anti-Mass Spectrometer. |
05/06/2015 04:16:36 |
0.86 |
|
![Unified Coupling Theorum](images/icons/unlocked/114573.jpg) |
Unified Coupling Theorum |
Help the Barnacle and Headcrab find true love. |
05/06/2015 04:16:36 |
1.06 |
|
![Universal Gravitation](images/icons/unlocked/114574.jpg) |
Universal Gravitation |
Get killed by your own Snarks. |
05/06/2015 04:16:36 |
0.87 |
|
![Prolific Popper](images/icons/unlocked/3397714.jpg) |
Prolific Popper |
Kill all Protozoans in the Borderworld. |
02/02/2020 12:38:49 |
1.56 |
|
![PhD in Pacifism](images/icons/unlocked/3397715.jpg) |
PhD in Pacifism |
Don't kill any Vortigaunts in the Borderworld. |
02/02/2020 12:38:49 |
1.01 |
|
![The Rarest Specimen](images/icons/unlocked/3397716.jpg) |
The Rarest Specimen |
Carry the Hidden Hat to Endgame. |
02/02/2020 12:38:50 |
1.56 |
|
![One Step Ahead](images/icons/unlocked/3397717.jpg) |
One Step Ahead |
Kill 10 Enemies with Tripmines. |
02/02/2020 12:38:50 |
1.22 |
|
![Stealth Technology](images/icons/unlocked/3397718.jpg) |
Stealth Technology |
Escape the Hangar in Surface Tension without alerting the Soldiers. |
02/02/2020 12:38:50 |
1.08 |
|
![xen when](images/icons/unlocked/3397719.jpg) |
xen when |
Wait too long to jump into the Lambda Teleporter. |
02/02/2020 12:38:50 |
1.35 |
|
![Our Brains And Your Brawn](images/icons/unlocked/3397720.jpg) |
Our Brains And Your Brawn |
Assemble all the possible Scientists and Guards at the end of Office Complex. |
02/02/2020 12:38:50 |
1.25 |
|
![Less Than Desirable Consequences](images/icons/unlocked/3397721.jpg) |
Less Than Desirable Consequences |
Die in the AMS Beam before starting the experiment. |
02/02/2020 12:38:50 |
0.94 |
|
![Orbital Trajectory](images/icons/unlocked/3397722.jpg) |
Orbital Trajectory |
Skip the opening Xen island with a secret jump. |
02/02/2020 12:38:50 |
1.30 |
|
![Following the Rules](images/icons/unlocked/3397723.jpg) |
Following the Rules |
Use the welcome mat. |
02/02/2020 12:38:50 |
1.32 |
|
![Doctor’s Signature](images/icons/unlocked/3397724.jpg) |
Doctor’s Signature |
Deliver the finishing blow to Gonarch with your Crowbar. |
02/02/2020 12:38:50 |
1.36 |
|
![Gonad Glider](images/icons/unlocked/3397725.jpg) |
Gonad Glider |
Get whacked into oblivion in the ledge fight. |
02/02/2020 12:38:51 |
1.27 |
|
![Post-Mortem Interval](images/icons/unlocked/3397726.jpg) |
Post-Mortem Interval |
Find each member of the missing research teams. |
02/02/2020 12:38:51 |
1.54 |
|
![The Plan](images/icons/unlocked/3397727.jpg) |
The Plan |
Use Cyanogen to kill Gonarch. |
02/02/2020 12:38:51 |
1.48 |
|
![Unquestionably Ethical](images/icons/unlocked/3397728.jpg) |
Unquestionably Ethical |
Don't use the Cyanogen and let the Gonarch live. |
02/02/2020 12:38:51 |
1.50 |
|
![Contest Propellant](images/icons/unlocked/3397729.jpg) |
Contest Propellant |
Find the snack supply canister. |
02/02/2020 12:38:51 |
1.08 |
|
![Laser Immunization](images/icons/unlocked/3397730.jpg) |
Laser Immunization |
Complete Interloper without taking any laser damage. |
02/02/2020 12:38:51 |
1.46 |
|
![Black Mesa Decathlon Winner](images/icons/unlocked/3397731.jpg) |
Black Mesa Decathlon Winner |
Escape the Gargantua’s Lair without taking any damage from Gargantuas. |
02/02/2020 12:38:51 |
1.39 |
|
![Anti-Matter Over Mind](images/icons/unlocked/3397732.jpg) |
Anti-Matter Over Mind |
Kill a Controller without killing any of its mind-controlled Vortigaunt slaves. |
02/02/2020 12:38:51 |
0.75 |
|
![Specimen GG](images/icons/unlocked/3397733.jpg) |
Specimen GG |
Take out all three Healing Crystals in Nihilanth’s Chamber at the same time. |
02/02/2020 12:38:52 |
1.38 |
|
![Late for Work](images/icons/unlocked/3397734.jpg) |
Late for Work |
Defeat Nihilanth in under 4 minutes. |
02/02/2020 12:38:52 |
1.40 |
|
![Limitless Potential](images/icons/unlocked/3397735.jpg) |
Limitless Potential |
Accept G-Man’s offer of employment. |
02/02/2020 12:38:52 |
0.78 |
|
![Rather an Anticlimax](images/icons/unlocked/3397736.jpg) |
Rather an Anticlimax |
Decline G-Man’s offer of employment. |
02/02/2020 12:38:52 |
0.90 |
|
![Pepperoni Precipitation](images/icons/unlocked/3397737.jpg) |
Pepperoni Precipitation |
View the *other* secret ending. |
02/02/2020 12:38:52 |
1.58 |
|
![Well-Done](images/icons/unlocked/3401080.jpg) |
Well-Done |
Cook a Grenade for too long. |
02/08/2020 20:59:38 |
0.87 |
|