Doom's Most Mysterious Glitch Finally Solved After 30 Years
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- Опубликовано: 30 янв 2023
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Check out Zero Master's original run here: • Doom E1M8 in 17 second...
Check out Decino's in-depth explanation here: • Why This Rare Bug Turn...
Today we take a look at the rarest glitch in Doom history. The All Ghosts Effect has long been considered a freak of nature that can't be tamed, or controlled, or predicted. But 30 years after the game's release, everything has changed.
Original Doom music by SonicClang: / @sonicclang
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Игры
3 videos in 4 days? Let me know if the quality of these videos are ok, because I've made them a bit shorter and a bit more casual which is just so much easier on me honestly. If I can get away with making more videos, at a shorter length that would be awesome. I will still do longer, more in-depth videos too but I want to add in more of these shorter, more laid back videos as well.
Also big thanks to War Thunder tbh. Play War Thunder now with my link, and get a massive, free bonus pack including vehicles, boosters and more: playwt.link/karljobst2023
Honestly the fact that you're able to upload *anything* while getting sued is already impressive enough to me
Everything in balance, you absolute legend!
Seems fine to me
It’s good but honestly prefer the videos on the positive side of speed running rather than the CHEATERS EXPOSED.
Honestly they're good. They still have the specific flavor that you add to your videos, same humor. I do prefer longer deep dives, but these quick update videos are more than welcome.
the quality of the last few videos was good enough that when i saw this on the top of my recommended i clicked instantly lol, i love old glitches getting solved or when new ones are discovered that i always insta click on videos like yours when i see them.
One thing we can all agree on; ZeroMaster and Decino are both Certified Absolute Legends.
I havent watched the video yet. I'll get back to you once i know who they are 😂🤣🤣
@@drunkpaulocosta9301 there is a pipebomb in your mailbox
Where Karl Jobst wit dat Absolute Legends™ Certificate??
decino is a Doom god with the humbleness of Jesus
Because they would achieve many runs
I love how speedruns are either ultra-precise use of the pieces of the game, or shattering it in an ultra-precise manner.
Or, in the case of marathon glitchless runs, making fewer mistakes than everyone else.
Or, in the case of procedurally generated games, testing your ability to improvise.
Seems like there's a ton of variety
By accident!
Basically the difference between any% and ultra-nightmare 100% speedruns for Doom Eternal...
Calculated oopsie 🤭
If you don't have enough pieces of the game to work with, _make the pieces._
Decino breaks it down, ZeroMaster manages to do it and Karl Jobst makes sure people are aware of all of it.
And WarThunder shoehorns itself in with money
The holy trinity of DOOM.
JESUS I WASNT CRAZY! This happened to me in Doom 2 WAAAY back in the late 90's. Scared the piss out of me with those wavy after images and suddenly immortal monsters. Left a scar on me, but I never thought about it till now. Thanks for making me relive it (I think).
& it didn't even take you 300 years -
Lucky guy!! 👏😌
was it on the same lvl zeromaster played?
@@zxvc849 I remember it being early in the game, but it was so long ago. I paniced and closed it quickly.
Tell us more
It happened to me also during the 90s!! On doom 2, map 27 monster condo, I think it was on the library full of monsters... but I remember there was only 1 revenant left and it was unkillable and passed through walls. It also scared the crap out of me lol
I love how whenever Decino says something is "practically impossible", Zero Master takes it personally
I dont think this has ever been featured of his list of challanges, and now it has to be added😂
i think zero master just doesn't know what impossible means
in his book its just "challenge accepted"
ZM: bet
@@Caribbeanmax makes sense if he is a cheater
Decino: *explains why the code sometimes breaks*
Zero Master: "Hold my compiler"
Thank you for recognizing and featuring Decino, he put's an incredible amount of effort into breaking the mechanics of Doom down and explain them to someone like me, who has no clue about this game. He definitely deserves more attention.
pumpkin man definitely deserves more love
Honestly its amazing that he figured all of that out back theen
Whats really cool is that his explenation is has inspired someone to actually go out and do this😁
Not just DOOM, other titles as well. I've really enjoyed his breakdowns of the madness that is Serious Sam.
@@PenguinDT i love how supposedly his video about broken spawners was used to fix them
Thank you Zero Master for saving us 300 years of work! ❤️
Yeah for real my grandchildren would've had to speedrun the game again again. Thanks zero master
@@prla5400 Heh, imagine generations of a bloodline with precisely written instructions for what inputs they are to try, when they aren't in the bedroom making more doom grinders that is.
There can't be much more to find if the current techniques take 300 years to figure out (without hacks), 😳🤯
@@stevenmack9948 you can put AI on it soon, never say never :)
@@LucianDevine its something I can imagine Warhammer 40k to do, would be cool to see in a novel, for example theres a family dedicated to breaking a password of some powerful machine from the past, like... a laptop/pc with windows 20 xD and every genetation has set combinations to try out... Although, they'd propably have servitors programmed for that and after 500 years they broke to password to enter the desktop
It was only a matter of time before decino was given a shoutout here. And man is it cool to see! Both him and Zero Master have done so much for this community. Super excited to see what both of them find and accomplish going forward!
I really like how in 96, "melee" attacks were referred to as "near attacks"
I'm certainly curious which game it was that popularized the name "melee attacks" for close quarters weapons or striking with a firearm.
I know Halo: CE used the term in its game manual, which is what first activated the lingo in my brain, but I wonder if there was something even earlier than that?
@@TheSpinkelsI’d bet it was CE. There is SO MUCH about modern games that can trace their roots back to that game, a lot of it in ways you’d never realize. 2 weapons, having a melee attack at all, being able to throw grenades without clumsily selecting them. Sad how far the series has fallen
Halo invented dual wielding
@@TheSpinkels D&D uses the term in the '70s
@@WhamBang Nah lol. Pretty sure Lara Croft was dual wielding in the 90s. :D
Speedrunning has always had two sides; the runners themselves and the brave soldiers picking at the seams of the game until it either breaks or they understand why something breaks. We salute both and thank them for entertaining us and breaking our favorite games for decades.
I suggest Decino as a whole, been following him for AGES and he's inspired me to begin my journey of working up the difficulty gameplay across WADs.
Decino and BeefGee have inspired me to download and UV Max pistol starts some famous slaughter wsds, finished Rush, just got started on NewGothic Movement 1. Hope to eventually get to Sunlust and Speed of Doom.
Very cool! And it was interesting to see here at 3:33 my first-ever, and ofc very confusing, encounter with this bug. FWIW, later in the '90s I got the bug again in the Black Tower level of the Doom II Master Levels. Like E1M8, this level has the same kind of special damaging floor, and allowed me to accidentally finish it in world-record time. (The demo file is still around, called BlackBug.Lmp.) Crazy stuff. Anyway, great video as always, Karl. Cheers. :)
The man himself
So this isn't actually the first time the glitch has been used to get a WR, but it's the first time it's been actively exploited for that purpose? That's fascinating.
@@cooperised Yes, the "impossible" part about it was being able to purposely cause the glitch on demand and use it as a viable speedrun strategy. It can of course happen at random, and if you're on a level with a death exit you can make use of it.
Well, this raises a fun question. How long did it take for anyone to beat the accidental WR time in Black Tower? Or is it one of those instances where you couldn't hope to beat it without getting the glitch to happen again?
@@randibillett472 After seeing my demo, Never_Again played the map until the same glitch occurred, and was able to exit about 3.5 seconds faster. My demo was recorded with Doom II v1.9 under DOS, and the run time there is "21" seconds (the OG retail game rounds the time to full seconds). When played under some other source ports, the demo goes slightly out of sync, and ends about a second later.
Decino is the guy that got me into doom, nowadays I don’t watch him as often but when I was really into doom I always watched every upload, I recommend his analysis series to anyone interested in dooms mechanics
Check out his recent playthrough of Overboard! It's short semi-sequel to Going Down and it's glorious.
Same, dude. i used to watch his videos almost religiously. i just kinda fell out of love with doom and stopped watching.
Decino's video on the Doom AI inspired me to write my own (small) game
One of my earliest memories of gaming was Doom with my brother and cousin. We'd play in on LAN at my dads work place and I was always the green guy, which was super annoying because I always got accidently killed with friendly fire being mistaken for an enemy. Can't believe that was nearly 30 years ago now. This game will forever hold a special place in my heart
I love how it seems as though after a lot of decino's breakdown analysis videos Zero Master shows up and proves his final conclusions about what is or isn't possible wrong. The two make a great tag team combination.
But he didn't. Decino said it would require astronomical precision and would be NEARLY impossible.
Zero master doing 300 years worth of attempts seems a solid proof of that exact conclusion. 😄
@@FFKonoko well now you put it like that, fair enough haha.
I still love their teamwork on cases like these though.
Decino: "It's technically possible to do this intentionally, but the odds are astronomically low."
ZeroMaster: "So you're saying there's a chance."
I love being bored at 1am and getting a surprise Karl upload to free me from insomnia boredom
Same!!
3 am here
A total blessing
Very realxing while smoking. ✌️
same bruh
I’ve been sick as hell and my sleep schedule has been completely fucked. It’s nice to hear Karl tell me I’m a legend at 1am.
I like they way it sounds when Karl says: "...*Someone* achieved...*slight dramatic pause*... this run..." and you are about to witness something really good and bask in the epicness of the moment.
10 years back in the Kaizo Mario community, a "Shell jump" was considered an insanely hard trick that only the best of the best could pull off consistently, if at all. Nowadays, it's babie's first steps to kaizo. Never underestimate what -gamers- humans are capable of if they really try. We're literally born with the ability to constantly push our own boundaries, and some never stop.
The devs of Doom must be blown away by all the tricks and methods the community has found over the years to complete the game in so many different ways.
I'm sure Carmack has a good chuckle sometimes at how broken and exploitable his 30 year old code has ended up being :>
I love how the two replies say almost the exact opposite thing.
@@NoahtheEpicGuy on the surface, yes - there are some massive exploits that break the code, but they're often extremely precise and hard to pull off. But they're there.
I'd say doom actually runs pretty well in all regards for being 30 years old.
This is all possible because they made it open source instead of doing a Nintendo and locking down their "IP"
The fact that there's still so much to Doom is always a shock to me. And yes, my jaw did drop when I saw Zero Master's run
The whole thing about being able to simulate 6 and 1/2 hours per second, and it taking 300 years worth of simulation time, absolutely blew my mind. Thank you for sharing this!!
I wish there were more channels like decino. No one else dives into the code and shows you how it all works, it's amazing.
One other channel that comes to my mind is Pannenkoek2012, he does that for Super Mario 64.
Now all we need is Decino to do what he always does and really go in depth with this lol! Edit: Oh he already did? Oh...
He would be able to!
He did, though. The link to it is in the description of this video
He already has
Well, it would still be neat if Decino were to do a breakdown of Zeromaster’s process and ultimate solution. I’m sure there’s plenty more details there specifically that were not covered in this video.
@@JMPDev Just give it some time, we'll get it eventually.
Damn that was a good doom trivia challenge question. When you mentioned that you can't trigger switches or use exit teleporters or kill enemies. I was trying to think if there was any level that doesn't end like that. It took me a while to remember Phobos Anomaly. But completely missed about that troll exit room in Plutonia.
I've seen this happen once. I was watching my brother play in the 90s on Doom2. We were so confused and it was indeed pretty random. Haven't seen it IRL since.
300 years equivalent... This my friends is why TAS runs are so important. This was an awesome video. And enlightening to boot
Not surprised Zero Master is the one to uncover this. Surely Carmack must know about him by now too.
Carmack knows all.
Legends say that he is either his son or they are the same being.
He definitely knew about it. They put a safe guard in place to reduce the likelihood by limiting the possible number of iterations. But they didn't eliminate the bug entirely before launch. They probably figured the rarity was good enough and didn't go any further.
I’m pretty sure Decino covered this in one of his monthly Doom mechanics videos. Maybe a couple years ago? I can’t remember but I’ve seen him explain it and the source code behind why it happens. Cool channel.
Addendum: I wrote this comment at the very beginning of the video 😑. If only I had the patience…
I stuck around and learned something awesome I didn’t know. Karl, you are a legend.
glad to see decino getting more recognition, man deserves a million and one medals
The fact that you're still uploading videos and putting smiles on people's faces while dealing with lawsuits is amazing and _you're_ an Absolute Legend for that. Thank you for all you do.
Amazing video as always Karl ! Something similar happened in Need for Speed : Underground 2 speedrunning .. the game was being speedran absolutely normally for 15 years .. and then me and other runners from the community completely broke the game with OOB and finishing OOB as well .
By the way, all-ghosts also differs from no clip in that Doomguy still cannot travel onto different sectors that are too high, the regular Z-height limit of a climbable 24 units/frame is still imposed. Because of this, it's still possible to run into many barriers that will obstruct the player, where these same barriers would not hinder you with regular no clipping. Luckily in e1m8 and pl11 this doesn't end up being a problem :)
There is a known bug in E1M4 in the blue computer room from what I just found doing some research, but at the time I was getting mobbed and it glitched out - well, for 3-4 seconds until I got beaten by imps. Yep - what I remember was at that location and map and matches this bug. Apparently there are a few specific locations in the original game that would make it far more likely to happen.
Knowing how this old glitch works and even being able to execute it for speedrunning feels like harnessing and elusive ancient power.
Love the addition of Flintstones Unused Song #2 at the end.
ZeroMaster, decino, and Doom community be like *"They said it could not be done. They said it wasn't supposed to be figured out. They said we couldn't solve it. They were wrong."*
Such a steady fire of top notch videos, super proud! Also very excited to see your opinions/observations of the Goldeneye port
Yeah is that something that would be interesting? I'll definitely play it and check it out. Doesn't seem like there is much interest in it as far as speedrunning goes. I'm very surprised about that.
@@karljobst not sure if you have ever been into RTS games,but age of empires 2 was also ported & I'm very happy.
Lots of nostalgia and fun playing age of empires. Hopefully they port aoe III soon too.
Going to play goldeneye once I play AOE 2 a bit.
Thanks for the lovely video Karl. I grew up playing doom. Was my first game at age 5. Used to play with cheats as a way to practice at that age. It definitely helped me hone the skills I have today. Both in video games and other aspects of life.
@@karljobst YES buddy, it is a legendary game and you made it even more so, so it would be interesting to get your take on the port and on the scene's reception towards it. You know; how hot or cold it is for the community, what's cooking, and what the opinions are.
Congrats for your incredible content man, keep it up!
@@karljobst if you play on an old Xbox one like me and download games in the background, you can sometimes get less FPS than N64 and do huge teleports/warps.
@@karljobst Of course it would be! You're a Goldeneye legend and we'd like to hear your thoughts. Definitely also check around and see how the speedrun community is taking it. Sure it's possible they don't care at all, but it's also possible you'll be surprised and get something video worthy.
It's so fascinating to see just how hard these speedrunners go for it. I would never spend time on it myself, but it's very fascinating to watch how far they take it and how much thought is put into it.
I saw the speedrun from Zero Master a few days ago. When I saw the hitscan glitch I was like "WTF just happened?".
After some googling, I was blown away when I saw the explanation. This is the kind of thing that you'd expect to be TAS only, especially if you can only do it at the very end of the run.
Ahh this glitch. You must know my boy Decino! He goes over this in great detail. He can interact with the switch. You just have to be at a exact angle and hit the exact pixel in between frames. So AKA impossible for a human.
Fantastic video. Never seen the glitch before so it was a lot of fun.
Funny the first thing i thought was "how did they know very little about it? Decino even goes through how the code works line by line, must be. A crazy glitch" and then there he is explaining it. What a legend he is!
times have been tough for me emotionally and your content always comforts me. im always psyched when i see a new video come out, your voice and presentation saves me karl. i am liking and finally subscribing and always on the look for more content!
Those feelings will come to pass, hang in there stranger
so basically, when the glitch happens, you're doomed.
ZeroMaster is the closest we'll ever have to a literal Doom God. The things he has done and probably will do are mind-blowing.
Don't forget Decino 😊
id should officially rename Doom Slayer to ZeroMaster.
@@DutchDaddy - decino is brilliant at analysing the game, but even he would bow to ZeroMaster in executing - he even says it himself in one of his videos.
@@laz001 he's very humble, yes. But have you seen his playthroughs through all the extremely hard WADs like Italo doom? Decino is incredibly good.
K: you humor me with your arrogance and contempt, a flood of accusations born from the poison of envy and smite of disrespect
Just honored to have found you, I'm a new fan and think you've got a huge career in this. Keep it real.
His channel is a true gem
Nice welcome to the fam.
Have fun binging his vids, they’re all just as high quality.
This is why I love this community. There's always something new and exciting at the turn of the corner. New mods, new level packs, new speedruns... And new weird cool stuff, like this glitch being used for something.
This reminds me of a glitch I accidentally stumbled across which was very similar to this back in the late 90s when I played Doom...
Basically, I was playing PS1 Doom and on one of the later levels I suddenly had an invincible pistol zombie who could walk through walls shooting at me. I obviously couldn't kill it and it kept walking straight towards me, regardless what was in front of it. I remember trying to get away from it while trying to complete the level as it was constantly draining my health. I eventually completed the level and I never saw it happen again.
It's always stuck with me because Doom had never done anything like that before, so I just put it down to being a glitch - Strange indeed.
I saw Billy Mitchell doing this blindfolded back in '94.
Happy 30 years of Doom.
Wow mate. I always thought that this was happening because I was using a cracked version of Doom when I first got it after it came out. I'd completely forgotten about the scenes you have shown that appear in the gameplay. Great video mate.
I love that you're pumping out more videos these days. I listen to them while going to work ☺️ thank you
I can't recommend decino highly enough. His yellow background videos are amazing at explaining DOOM mechanics all the way down to the code. His gameplay footage is great and really entertaining too. He's definitely one of the top DOOM youtubers, and I think anyone with an interest in DOOM should check him out.
Shout out to Zero Master too. He's truly a DOOM god. Massive respect for his skill and pushing the boundaries of the game.
There is literally no one on Earth or in Hell that can stop Zero Master from finding a way to break and solve things, much like the way Decino can research and shell out info like a perfect rockstar professor. These two deserve their titles as Absolute Legends with a STAMP of approval.
I hate you for making me laugh with that first pun
I remember back in the 90's, I hit the glitch many times in different levels, I had an idea that it was a memory issue, it is amazing to see it being used. Thanks for the content.
I remember going to the flea market in early nineties and picking up doom on a floppy disk , that was an awesome time back then , was like no way is this the full real game , it was me and my friends had an awesome time playing it was ground breaking and kinda scary playing at first brutal when you never seen anything like it .
If we just add a Doom level that requires someone to cure cancer and end global hunger to finish it, Zero Master would.
Zero Master is just insane at the game. My god the amount of skill he has is incredible.
I have been watching all of zero master and decino's videos these last few weeks. Glad you are on the scene you LEGEND.
Been watching decino for years. Quality videos about sometimes very obscure and esoteric aspects of Doom speedruns.
After having viewed Zero Master's runs last week several times, somehow i'm just now noticing an elephant in the room: *the barrels not exploding.* I mean, that is probably *the specific thing* that makes it possible here, but i'd missed it. I was so focused on watching the pinkies to see how ZM noticed exactly when the glitch had been triggered it was like the barrels weren't even there, lol.
Huh that IS weird!
One of the best speedruns of all time. Not because of the run itself, but because of the genius simulation testing which helped make the glitch viable in a run.
100% knew Decino was going to have a shoutout in this video
My man has been breaking the game down for so long, it was only a matter of time that people used his videos to get better times
I've seen Decino's video about the bug when it came out, it was an year ago or so!
Seeing speedrunners now finally implementing it on a real run just blowns my mind how amazing the speedrunning community is 🤯
Back in the days, i actually experienced this bug once (at least i think it's this bug). It happened while playing one of the levels in the dark forces mod and resulted in an immortal Imp chasing me through the map 😅
I know it's your catchphrase, but you, Decino, and ZeroMaster *are* absolute legends, all in different ways
Something like this happened to me in Doom 64 on the final boss level (over 15 years ago). Somehow I clipped through a wall in the beginning section of the level when I was getting power ups, and it never triggered the event to make the monsters teleport in when I entered the boss fight arena.
Back in the early 1990s when my mates and I were playing Doom on our Pentium 386mhz or 486mhz we found out about ‘cheat mode’. It was a series of key stokes (a set, repeatable code) that would give you infinite health, all weapons, infinite ammunition and also allow you to run through walls. This would let you complete a level in seconds. I remember playing all school holidays and loving this game. Wolfenstein was amazing but this game changed everything. Today it looks like a child’s school assignment, however it still brings back great memories.
IDDQD, IDKFA, IDCLIP
if it wasn't for decino I wouldn't understand how the game works. he also has a very good presentation style
Three Karl videos in 4 days?! Christmas came waaaaay early!
Or late.
@@Tommuli_Haudankaivaja Either way i aint complaining!
0:50
Doom: Thousands of hours for a single glitch
Modern shooters: Thousands of glitches in a single hour
karl pumping out videos, love to see it
I love what you do Karl and you are a speedrunning legend I don't think you understand how much you've contributed to the speedrunning scene. Thank you so much for all the great content. Absolute Legend
New Karl Jobst video 🙏🙏
Ive been binging random Karl videos and now theres a new one!! Absolute legend
It’s so nice to see this channel grow so much ❤ hella of a lot of fun to watch
A video that contains my favorite speedrun essayist, my favorite DOOM speedrunner, AND my favorite DOOM analyst in one? What an absolute treat. Absolute Legends, the lot of you. Thank you.
And my infancy game... :3
I remember learning about this error thanks to Decino's informative videos
Karyl, thank you so much for continuing to be such a resounding voice for the speedrunning community. I hope you continue to educate and entertain us for a long time to come! =)
As a game developer I've been watching Decinos videos for causal entertainment for years. Really awesome to see them mentioned
The things people can do when they have perseverance and time is immeasurable.
And computer simulations to make up for a lack of those two!
Always glad to see more Doom content. The tightrope speedrun vid is why I subscribed in the first place as a Doom fan.
Karl I love how you get me excited for stuff I otherwise wouldn’t understand or care about.
Content has been great keep it up.
The shorter laid back vibe is awesome, keep up the good work.
Every day that Karl uploads is a good day, no matter how shitty it was beforehand.
find a girlfriend bro
@@GAOMaster What did bro do to you😭
Karl you're an absolute Legend
Dude I hope you keep doing these shorter videos! It's just wonderful to see you uploading as often as you have been.
You're one of the very few YTers that I'll wait forever for a video from and then I'll savor that shit when it's posted.
But I am an addict and these last 4 videos have been really good, whether they be about an achievement or a cheater.
This is an awesome video. Doom absolutely holds up and it's cool people are still finding strats for these games.
LOVE the Decino shoutout, he’s an incredible doomer and certified legend.
Love you Karl!
Decino made an analysis video on this glitch explaining exactly what happens to the RAM a while back. Look up Doom's most bizarre glitch. Basically, the intercepts array overflows its space in RAM and corrupts the block maps size with sufficient intercepts. It's possible to cause this on nightmare difficulty by spawn camping an enemy but will more likely happen due to a rounding error from the fixed point coordinates system.
holy shit, also nice to see Decino and Zero Master once more featured on your channel!
I spent hours of last weekend trying to trigger intercepts overflow on E1M8, I had coordinates and angle display on 5 decimals and I couldn't equal the angle in Zeromaster's demo :(
Were you using shorttics? The classic demo format restricts angle to 8-bit precision, which is rather chunky to play with, but does allow a bit more setup action like this. With normal precision you probably need to tweak mouse speed up and down, while moving back and forth, to get an angle that precise.
@@T3sl4 how can I set short tics? I'm using dsda doom
Kind of wild seeing gameplay from the 90s as high quality as stuff from today. That's the power of demos.
Happy birthday Karl and thanks for the constant content mate
Man, this sure brings me back.
Doom and Nukem were so important to the 90s, I'm surprised how much I have forgotten about his.
Imagine speedrunning Doom in 1996. Legends honestly.
I was born in that year
Absolutely an astonishing breakthrough. Nice to see Zero Master is as legendary as always, finally untapping the potential of this glitch.
Didn't expect Decino to be such a prominent figure in this video :o Also 3 vids in 4 days is insane, keep up the great work but don't burn yourself out.
What I love is that both these Doom legends have 2 very very different playstyles.
And in this example, we get to see how ones knolledge can be used to inspire the others techniques.
I love this so much! 30 years and doom speed runs are still evolving...
Your DooM videos are my favourites, been watching decino for a while he has some epic slaughter map clearances on youtube its a trip.