* In ''Unforeseen Consequences'', the microwave that you used to blow up the casserole has a headcrab in it, and you can turn the microwave on and make it explode like in ''Film/{{Gremlins}}''!
** The microwaves in the facility also have a "headcrab" setting.
* [[VideoGameCrueltyPotential If you're feeling bloodthirsty]], you can have fun causing a rampage by killing scientists before activating the "plot device" with cheats. [[https://www.youtube.com/watch?v=bm0doiHgt-k From feeding the Barnacles with scientists]] to [[https://www.youtube.com/watch?v=TrgdGUrN9Js blasting their heads off with a]] [[ShotgunsAreJustBetter SPAS-12]] or a [[RevolversAreJustBetter Colt Python]] just like an old west movie. You can even summon in [=HECU=] marines and their tanks, then set off a full-scale gunfight in the Black Mesa lobby.
* Also in ''Unforeseen Consequences'', when he sees Gordon after the resonance cascade, Dr. Kleiner will exclaim "By Schrödinger's cat! He's alive!"
** Other such jargon-y expressions are used by various scientists -- and as a GeniusBonus, they all have something to do with what the scientist is commenting on:
*** One says, "Maxwell's demon! It's cold in here!" [[https://en.wikipedia.org/wiki/Maxwell%27s_demon Maxwell's demon]] is a thought experiment that involves a hypothetical "demon" making one side of a container hotter and the other colder[[labelnote:*]](''without'' additional energy input, thus decreasing entropy in an isolated system and violating the Second Law of Thermodynamics)[[/labelnote]].
*** Another says, "By Becquerel's ghost! The radiation levels are off the charts!" A [[https://en.wikipedia.org/wiki/Becquerel becquerel]] (named after Henri Becquerel) is a unit of radioactivity.
*** And then, of course, there's Kleiner's aforementioned "Schrödinger's cat" comment, referring to a famous thought experiment that involves a cat in a box simultaneously being alive and dead until observed. Sort of like how Kleiner didn't know if Gordon was alive or dead until he saw him.
* With a little bit of GallowsHumor, [[https://www.youtube.com/watch?v=R949tlE5YrU&t=1m32s there's a part where a scientist manages to stop a headcrab by smashing it with a monitor]]. Ironically, [[FailedASpotCheck he gets mounted by another headcrab right behind his back]] [[DontCelebrateJustYet while celebrating his victory too early.]]
** More GallowsHumor combined with a little bit of TooDumbToLive, the things the scientists say while attempting to hail the incoming soldiers before getting shot dead can be chuckle-worthy, but then there's the one guy who says "Take me with you! I'm the one man [[HeKnowsTooMuch who knows everything!]]"
* Just like in [[VideoGame/HalfLife Half-Life]], At some locked doors, the vocoder announcer will tell you that the door you're trying to open is locked. If you're stubbornly-persistent you can actually tell that, despite it being an automated voice, it's getting very tired of your [[https://www.youtube.com/watch?v=HwoL9iAPTXg wasted effort]] at opening said locked door.
-->'''Vocoder Announcer:''' Please... [[PunctuatedForEmphasis Move-away-from-door.]]\\
'''Vocoder Announcer:''' Will we do this all day?\\
'''Vocoder Announcer:''' No. No. And NO!
* At one point in ''Office Complex'', one can find (likely through hearing it first) a Houndeye sitting in a room and making curious noises while watching a TV filled with white noise.
* There is a picture of a cat hung up a wall in ''Office Complex'', with the following caption:
-->Erwin R. J. A. Schrödinger\\
Quantum Mechanics (1887 — 1961)
* Remember Clifford, the DirtyCoward who uses his friend as a HumanShield in ''Office Complex''? Turns out if you shoot him with her around, she treats it like you killed an enemy! Just don't let the guards see this.
* The expanded lines for the NonPlayerCharacter[=s=] can lead to some downright hilarious snarks and random comments - sometimes [[WelcomeToCorneria randomly having nothing to do with the context of the situation.]]
** The many variations of the guard in the break room telling you to leave after you ruin the microwave casserole:
--->"You better make like a banana and split."\\
"You better make like diarrhea and run."\\
"You better make like a bread truck and haul buns."\\
"You better make like a prom dress and take off."
** If you hear enough of the guards' lines for whenever Gordon throws something at them, it starts to make it sound like ''Black Mesa'''s Gordon is from ''WebVideo/FreemansMind''!
--->"Are you off your meds or something?!"\\
"Man — you're an asshole when you're drunk!"\\
"Ya know, they used to give me pills for that kinda behaviour."\\
"Man, cease and desist, or some shit!"
** In the hallway with the rotating signs, there's a scientist who's [[{{Narcissist}} obsessed with how good he looks on some of the promotional advertisements]].
--->"Hmm. I've oft been told that my ''left'' side is better."\\
"My goodness, I'm handsome."\\
"Just look at that poise. That grace!"
** Guards will sometimes comment on Gordon's HEV suit.
--->Looking slick, Freemeister! Popsicle orange really brings out your eyes.
*** Even the HECU soldiers get in on the action.[[note]]The dialogue that follows is DummiedOut material, but [[https://steamcommunity.com/sharedfiles/filedetails/?id=2496234328 at least one mod]] exists to restore it.[[/note]]
---->'''Soldier 1:''' Are you sure it's Freeman?\\
'''Soldier 2:''' [[TheComicallySerious He looks like an orange ice-pop, sir.]]
* Gordon. Pets. A. Snark.
** [[https://web.archive.org/web/20160413170616/http://wiki.blackmesasource.com/File:Playsnark.gif Neeeeigh.]]
** Also, there's an animation where the Snark becomes agitated. Which in result, Gordon ends up [[DontMakeMeDestroyYou threatening to punch him]], causing the Snark to [[OhCrap squeal in fear.]]
* Kleiner instantly falling in love with the first Headcrab he sees... [[VideoGame/HalfLife2 which we may assume will be called Lamarr sometime later]].
* If they manage to stay alive long enough, the guards have some stern words for the HECU.
-->'''Guard:''' ''[noticing a marine miss him]'' Semper Fi, ya douchebags! ''[cue returning fire]''\\
'''Guard:''' Go back to rifle class, Gomer!\\
'''Guard:''' Better stick to peeling potatoes, Skippy!
* [[https://www.youtube.com/watch?v=M6-gm5u0tSA This video]] from WebVideo/{{Vinesauce}}'s Joel shows that if you chuck the Pizza in ''Questionable Ethics'' at an NPC enough times, you will kill them! [[https://www.youtube.com/watch?v=-YGoQWAI_pI The same thing also happens with the trash can!]]
* NOTICE - [[DepartmentOfRedundancyDepartment Your noticing of this new notice has been noted, and any continuing participation in noticing new notices will be noted. ]] [[OhCrap And reported to the]] [[OverlyLongGag notable]] [[OhCrap authorities.]]
* ''Black Mesa'' answers the question of just how the hell one wields the [[LivingWeapon Hivehand]], and [[AssShove the result]] of equipping it. [[https://www.youtube.com/watch?v=Ka-QAUwVCdw You can't help but feel sorry for the poor thing.]]
** For bonus points, wait to do this until you find the nearby security guard. [[https://www.youtube.com/watch?v=_fyvBNXi_64 He'll have some hilarious reactions.]]
--->"You want a cigarette? Not you, the hand."
* Keep your subtitles on for some gems, particularly early on. Among them, the subtitles actually extend the r in "They're waiting for you, Gordon. In the test chamberrrr." During the same line, [[LampshadeHanging one of the other scientists turns around to look confusedly at the one who says it]].
** Try standing outside the room where the G-Man is talking to a random scientist, and put on the subtitles to see how they describe their unintelligible conversation...
* If you return to the locker room after the Resonance Cascade in ''Unforeseen Consequences'', you'll find one of the lockers has been blown open. Inside is a sign reading "[[BrickJoke No Ridiculous Ties]]".
** And if any players get their score tied for the top in the Steam release's multiplayer? "Now ''this'' is a ridiculous tie."
* In ''Anomalous Materials'', one of the scientists is criticizing a research paper written by one of his colleagues. Talk to him long enough and he spouts this gem:
-->"And what in the blue blazes is a... is a ''[=ROFLcopter=]''?"
* The new models and textures are pretty funny, too...
** The Cremating Furnaces in ''Questionable Ethics'' have options for Medium, Rare, and Well Done.
** There's a sign by the laser in ''Questionable Ethics'' that reads 'Existential Danger', next to the Infinity Symbol.
*** Which becomes even funnier if you're familiar with the concept of an [[https://en.wikipedia.org/wiki/Risks_to_civilization,_humans,_and_planet_Earth existential risk]].
** The rotating sign displays in ''Anomalous Materials'' inform about different aspects of the facility in a matter-of-fact style. Except for one, which just says: "Innovative! Our tram system is really cool!"
* When going through the portals in ''Lambda Core'', you can find a room with a male scientist, female scientist, and a guard.
-->'''Guard:''' These two bicker on {{like an old married couple}}.\\
'''Male scientist:''' We ''are'' an old married couple!\\
'''Female scientist:''' What do you mean, old!?
** The guard's response when you first enter.
--->"Shucks, I thought you were the pizza guy!"
* As of 2020, the lowest graphical settings are [[MemeticMutation "Potato"]].
* Inspection of the game's soundscape scripts reveals the following comments at the top of them:
-->//Inbound: Welcome to Black Mesa! Where hazardous chemical spills are a daily occurrence!\\
//Anomalous Materials: Someone explain to me why Gordon's job inside the test chamber, couldn't have been done by a robot, or even a monkey...\\
//Unforeseen Consequences: This is what happens when you 'force' a computer to divide by zero.\\
//Office Complex: Unbeknownst to the staff, the cafeteria had been serving bullsquid for years.\\
//We've Got Hostiles: Hey guys, thanks for the rescue. Oh, what? A bullet with my name on it? Cool!!\\
//Blast Pit: There's an alien tentacle in my soup.\\
//Power Up: The tunnel system smelled like fried chicken for months afterward.\\
//On A Rail: Good thing Gordon was around, or the scientists would have been forced to unleash droves of monkeys to press the rocket launch button.\\
//Apprehension: Luckily, the Female Assassins were in short supply. If Gordon had to face more than 3-4 at once, he never would have made it to Xen.\\
//Residue Processing: Tryouts for the Black Mesa swim team every Tuesday and Thursday.\\
//Questionable Ethics: Please remain stationary, while we remove your internal organs.\\
//Surface Tension: Look carefully for the hang gliding mini game in the cliffside level!\\
//Forget About Freeman: The 2008 finincial ''[sic]'' crisis was simply a cover for the repair costs of the Black Mesa facility.\\
//Lambda Core: And in the end, it was all just a crazy, radiation induced, nightmare!
** You may get a feeling that someone in development had a thing for WebVideo/FreemansMind given that fried chicken joke was in that series.
* Not the game proper, but the voice actor for Kleiner posted [[http://youtu.be/gyYIjn0V1Uc this video]] of him singing Sir Mixalot's "Baby Got Back" in the Kleiner voice.
** He later posted a cover of [[https://www.youtube.com/watch?v=UdTHOcTrR4Q "I got High"]], again as Kleiner, which ends with the Resonance Cascade occurring because he was high as a kite.
--->Seeing predictable phase arrays... But then, I'm high...
* [[https://www.youtube.com/watch?v=y6gJWv8GjZU The bloopers]]. HilariousOuttakes at their finest. Special mention goes to the alternate Black Mesa Transit System safety spiel and the security guard's [[PrecisionFStrike bewildered reaction]].
-->'''Black Mesa Transit System:''' Please keep your limbs inside the train at all times. Fasten your seatbelts, [[NonSequitur and do not feed the rabid monkey]].\\
'''Guard:''' What?\\
'''Black Mesa Transit System:''' Do not attempt to open the doors until the train has come to a complete halt at the station platform.\\
'''Guard:''' [[ItsProbablyNothing Must've been my imagination...]]\\
'''Black Mesa Transit System:''' Failure to comply may result in limb loss...\\
'''Guard:''' Huh?\\
'''Black Mesa Transit System:''' ...termination of your pass for the transit system...\\
'''Guard:''' Ugh...\\
'''Black Mesa Transit System:'''[[ArsonMurderAndJaywalking ...and a one-way ticket to the principal's office.]]\\
'''Guard:''' [[LampshadeHanging Principal's office? What?]]\\
'''Black Mesa Transit System:''' In the event of an emergency, ignore it, and it will pass.\\
'''Guard:''' [[PrecisionFStrike What the FUCK?]]\\
'''Black Mesa Transit System:''' Passengers are to remain seated and await further instructions should the emergency continue.\\
'''Guard:''' *clears throat* Ugh...\\
'''Black Mesa Transit System:''' If it is necessary to exit the train, each man for himself...\\
'''Guard:''' What the f...?!\\
'''Black Mesa Transit System:''' ...and the disabled personnel may wait behind and pray for a miracle.\\
'''Guard:''' SON OF A BITCH!
* The HECU grunts have some funny quips if Gordon manages to wound them.
-->'''Grunt:''' I'M SO GLAD THE MEDIC DECIDED TO TAKE A FUCKING VACATION!
* If you enter the server room during Anomalous Materials, a security guard points out that you ''did'' show up for work today, and reminds a scientist nearby that [[SideBet that means he owes him a pizza]]. If you then talk to the scientist in question, he makes [[SoreLoser several nasty remarks at the guard]].
* In ''Power Up'', one room has a scripted ambush where Vortigaunts teleport in as soon as Gordon enters the doorway. The room is [[MadeOfExplodium chock-full of combustibles]]. A single stray shot from a Vortigaunt aimed at Gordon will cause a chain reaction that annihilates the ambush. In fact, the act of electricity arcing while they ''charge'' the attack is enough to set it off.
* With the fan release of the "Hazard Course" chapter, there are many in-universe changes to avert things such as HeKnowsAboutTimedHits or the fact that Gordon was accidentally signed up for security firearms training and some of them come off as humorous or incredibly morbid, [[BreadEggsBreadedEggs or both]].
** Unlike the original game's Hazard Course, this one is... Very, ''very'' makeshift. You can tell that most of it was retrofitted from some kind of other facility at some point.
*** Look behind the red makeshift sign in the beginning after the tram ride, the course is made from a retrofitted ''[[ToiletHumor Waste]]'' Facility.
** On the walk towards the course itself, there's an office to the right where three scientists are arguing about a ''massive'' surplus in guns and hand grenades, with one of the scientists arguing that the supplier provided a very good bulk discount, which would explain a ''lot'' about why there's so much military hardware lying around Black Mesa even before the actual military shows up. One of the scientist's reactions is basically "we're supplying our security staff, not arming a private militia!"
** If Gordon lands in the water in the first room, Kleiner will point out over the PA system that one of the pipes running across the water might say "wastewater", but he assures him that is not ''that'' kind of waste. But then one of the other scientist points that actually it ''is'' that kind of waste. Kleiner then tells Gordon that he shouldn't worry anyway, as he will, of course, be subjected to a full disinfection treatment once the course is over.
** When you get your {{crowbar|Combatant}}, Gina's hologram instructs you in its use of prying apart crates that may obstruct workspaces, with the HUD tip lighting up with "[=Mouse1=]: Pry open crates" but once you actually left click, you smash it apart and it changes to "[=Mouse1=]: Destroy crates" and one of the monitoring scientists saying that works too. A "[[VideoGame/Portal2 Say 'Apple']]." moment if you could call it that.
** You're told in the demonstration of [[NoOSHACompliance laboratory hazards]] that if you have charged your suit's armour then you should come out just fine and if not, they have medical staff on stand by. Cue another scientist muttering in the background about calling up a medical team to the hazard course.
*** And if Gordon ''does'' somehow die in the Hazard Course, this exchange happens.
---->'''Scientist 1''': H-he's not moving. What do we do?\\
'''Scientist 2''': ''(sigh)'' Inform his next of kin. I don't think we can revive him from that.
** One of the scientists [[LampshadeHanging hangs a lampshade]] on why they would need to train suit users on climbing ladders in the first place. If you hesitate to climb the ladder, he says, "Suddenly all that ladder training looks like a good idea."
** The fall damage portion to demonstrate medkits and medical stations still includes blood like in the original game, though now it also includes a long smear leading to a locked-off door labelled "First Aid Station", [[CrossesTheLineTwice and said smear also has a wet floor sign set on top of it]].
** After the flashlight section, one of the scientists will mention that when Gordon is issued a suit, it will be charged with fresh batteries, and that auxiliary power won't be a problem for about a decade. Explains why the HEV Suit in ''VideoGame/HalfLife2'' [[ScrappyMechanic runs off auxiliary power for sprinting, flashlight and oxygen, since Kleiner likely wasn't able to acquire a fresh battery...]]
** And finally, the Hazard Course is timed, for just a little bit of replay value. The scientists at the end have hilarious things to say if you get to the end fast enough... And without the tram.
---> '''Female Scientist:''' You went ahead without the tram?!\\
'''Male Scientist 1:''' Good lord, man, are you ''trying'' to speed-run the Hazard Course?!\\
'''Male Scientist 2:''' That's definitely got to be a record. We barely made it here before you, and we had a ''car.'' You must've been a track-star in your high-school years.\\
'''Male Scientist 1:''' Or very good at cheating undetected.
* Also from the Hazard Course, the dialogue of the same peppy guy who tells Gordon that he was accidentally signed up for firearms training.
-->'''Scientist:''' Ah, Dr. Freeman. We've been waiting for you. Don't worry, I'm sure you hit some traffic… in the middle of the desert.\\
At any rate, welcome to the Black Mesa Training Facility.\\
Things have been in a state of commotion lately, but we're glad you're here.\\
Just let me double-check your file.\\
Ah, I see you've already signed our legal disclaimer.\\
"I, Gordon Freeman, hereby agree to the following terms…" blah blah blah "…as any case of serious injury, dismemberment, toxic poisoning, burns, rashes, lesions…" blah blah et cetera et cetera "…hereby agree to waive all rights as an employee of the Black Mesa Research Facility." Ah!\\
Yes. It looks very good.
* If you use noclip in the Hazard Course, Gordon's supervisors have deadpan reactions to him flying around and phasing through walls.
* In ''Surface Tension'', a scenario where a marine tosses a satchel charge into the gas pipe Freeman is crawling through is replicated from the original game with some tweaks. The explosion can still roast Freeman if the player doesn't react in time, but also blasts the heavy metal hatch on the opposite end from its hinges, sending it flying and [[HoistByHisOwnPetard crushing the marine]].
** Shortly after that, when you find the guard who has the Lambda codes, he says that he's been trapped. Looking out the window reveals four marines, and he suggests doing things "real quiet-like", starting to sneak toward the exit. The easiest way to get out is to lob a well-timed grenade when the marines are close together, blowing them all to bits.
---> [[WithCatlikeTread "...or loud. That works too."]]
* The BlandNameProduct for WD-40 is AN US. On the can is the actual product's list of uses... which the name makes rife with DoubleEntendre.
* [[https://www.youtube.com/watch?v=9BJ7drbyLZY The 2018 April Fools joke]].
-->'''Bill:''' ''Forty'' bucks for ''a golden gun?!'' That's ''outrageous''... --[[BaitAndSwitch ly awesome!]]\\\
'''Bob:''' Well, for an extra $4,99 we'll throw in this handy, dandy thermos. And inside that thermos, is a specially crafted--\\
'''Bill:''' Uh? Uh, Bob? That's a gas can.\\
'''Bob:''' ''([[TranquilFury eerily calm]])'' Don't fuckin' interrupt me, Bill.\\\
'''Bob:''' ''(describing the new premium HEV suit skins)'' And Cotton-candy Pink is extra sparkly, and it also has shields-effects that looks like a damn rainbow! ''(tearing up)'' It's a ''beautiful'' thing.\\
'''Bill:''' ''Yeeeah'', I don't know, Bob. It kinda looks like they just took a spray can to the whole thing.\\
'''Bob:''' Oh? Is that so? Tell you what. Let me go over there and get one of those, and I'll model it. And then -- during the commercial break -- you ''can kiss my sparkly, pink a''-- ''(gets cut off by the video ending)''
* Mod Let's Player A Jolly Wangcore, while playing the "Crack-Life Remastered" mod, [[https://www.youtube.com/watch?v=M_AnIizeH1Q made a throwaway comment about a small coffee cup while a Black Mesa dev was watching the stream.]]
** Now with an [[https://www.youtube.com/watch?v=KH0fVLcjlDY animated version]], courtesy of Antoine Delak of ''WebAnimation/GorgeousFreeman'' fame!
* The Steam achievements contain a few jokes in their names, accompanying images and even requirements to fulfil them:
** One requires getting killed by a headcrab. It's called "Prophylactic Suggested" and the icon is [[https://combineoverwiki.net/images/0/06/Achievement_Prophylactic_Suggested.jpg Gordon's head wearing a condom]].
** Doubling as a ShoutOut to WebVideo/FreemansMind, the icon for the achievement "Kinetic Repulsion" (kill a marine with their own grenade) references [[https://combineoverwiki.net/images/9/9d/Achievement_Kinetic_Repulsion.jpg a certain Ambassador]].
** Aside from its eyebrow-raising name, the old icon for [[SpeedSex Premature Expulsion]] (use an entire clip of Gluon ammo in one continuous shot) featured [[https://combineoverwiki.net/images/archive/0/04/20200604055108%21Achievement_Premature_Expulsion.jpg a bespectacled Shoop-da-Whoop]].
** "Less than Desirable Consequences": Get killed by the Anti-Mass Spectrometer's laser before inserting the crystal.
* In ''Interloper'', Gordon infiltrates one of the factories in Xen and an alarm immediately sounds. A nearby Vortigaunt nonchalantly pulls the plug on the alarm and goes back to pretending not to notice him.
** Elsewhere in the chapter, some moveable boxes are blocking a door in the Vortigaunt dwellings. If the player moves them and goes upstairs, they find a supply cache from Black Mesa... that pops open and showers snacks everywhere.
* In ''Gonarch's Lair'', after the first battle with the aforementioned boss, you can find a secret room with a whiteboard, scientific equipment and a radio. After interacting with this radio, [[https://youtu.be/lyLSDmPA91U?t=157 it will play a voicemail from Barney Calhoun to Miller]], describing his encounter with Dr. Horn, who believes that everyone is stealing his slices of pizza. While Horn's antics are pretty funny, the end of the message gives us a hilarious CallForward to ''[[VideoGame/HalfLife2 Half-Life 2: Episode One]]''.
-->'''Officer Sezen:''' Hey Calhoun, guess who just locked himself out of his office again?\\
'''Barney:''' Ohhhh, not Kleiner!\\
'''Officer Sezen:''' Yup... guess ''who's'' in the vents?\\
'''Barney:''' ''([[SeriousBusiness runs away, knocking over a chair]])''\\
'''Officer Sezen:''' He's already halfway there, you're not gonna beat him.\\
'''Barney:''' ''(in the distance)'' Bullshit!\\
'''Officer Sezen:''' ''(approaches the phone)'' He ain't gonna beat him. ''(hangs up)''
* There is a secret computer terminal that the player can open at the beginning of the game, in the reception room with a guard and two scientists. This is a carryover from the original game, and in both cases, one of the scientists will indignantly tell Gordon to get away from it because he's "expecting an important message." Here, however, unlike the original game, the computer screen displays an Instant Messaging program, open to a conversation with a [[MythologyGag suspiciously familiar]] [[VideoGame/HalfLife scientist]]. The conversation itself consists entirely of idle chatter that Half-Life 1's Scientists would occasionally share with nearby friendly [=NPCs=].
* In ''Questionable Ethics'', when you first arrive in the atrium you'll see two grunts discussing the lab's PretentiousLatinMotto, ''Superbus Via Inscientiae'' [[note]]Arrogance Through Ignorance[[/note]]. The first grunt tries to pronounce it; his partner cuts him off in exasperation to tell him "It's ''Latin!''" The first grunt replies "Oh. ''Foreigners…''"
* Although it's otherwise terrifying, there are a few funny bits in the scientist base camp in Xen, if you look hard enough.
** A whiteboard at the entrance with a note from Dr. Horn reminding everybody to wipe their feet...and ''not'' wipe the whiteboard. Made even funnier by the fact that there's a gag achievement for doing as you're told and wiping your feet.
** A tally-sheet of suggested nicknames for Xen creatures, such as "Sonic the Blastdog" for houndeyes.
** Messages from Dr. Horn complaining about [[RunningGag his missing pizza]] or people leaving personal messages on whiteboards.
** A welcome mat at the exit, complete with BMRF logo.
* In ''Interloper'', the player can come across several humans and a number of items from Earth held in stasis fields. One of the things the aliens have collected however is a pizza box.
* All the computers appear to be running a version of UsefulNotes/MicrosoftWindows. Even before the "Incident", about half of them are displaying a UsefulNotes/BlueScreenOfDeath.
** And what application caused the BSOD? [[VideoGame/HalfLife2 HL2.EXE]]!
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