Ari Arnbjörnsson
@flassari.bsky.social
Senior Software Engineer, Developer Relations at Epic Games.
Former Lead Programmer on #Returnal for #PS5 @Housemarque.
https://ari.games for my presentations!
Former Lead Programmer on #Returnal for #PS5 @Housemarque.
https://ari.games for my presentations!
We just released "Unreal Materials: New Features & Productivity Enhancements", where my coworker @shedoesartstuff.bsky.social shows off a bunch of quality-of-life improvements to the Material Editor in UE in 5.6/5.7, alongside new and upcoming features. #uetips
www.youtube.com/watch?v=KYmd...
www.youtube.com/watch?v=KYmd...
Unreal Materials: New Features & Productivity Enhancements | Unreal Fest Stockholm 2025
YouTube video by Unreal Engine
www.youtube.com
November 11, 2025 at 10:59 AM
We just released "Unreal Materials: New Features & Productivity Enhancements", where my coworker @shedoesartstuff.bsky.social shows off a bunch of quality-of-life improvements to the Material Editor in UE in 5.6/5.7, alongside new and upcoming features. #uetips
www.youtube.com/watch?v=KYmd...
www.youtube.com/watch?v=KYmd...
We just published "The Road to 60 fps in The Witcher 4 UE5 Tech Demo", where you can see how we got 300+ moving characters and 100k+ fully modeled trees and scrubs running at 60fps on a base PS5.
www.youtube.com/watch?v=ji0H...
www.youtube.com/watch?v=ji0H...
The Road to 60 fps in The Witcher 4 Unreal Engine 5 Tech Demo | Unreal Fest Orlando 2025
YouTube video by Unreal Engine
www.youtube.com
October 31, 2025 at 1:54 PM
We just published "The Road to 60 fps in The Witcher 4 UE5 Tech Demo", where you can see how we got 300+ moving characters and 100k+ fully modeled trees and scrubs running at 60fps on a base PS5.
www.youtube.com/watch?v=ji0H...
www.youtube.com/watch?v=ji0H...
A great talk by Alexis Argyriou from Unreal Fest Bali about performant lighting in UE on various hardware. #uetips
www.youtube.com/watch?v=Q1wh...
www.youtube.com/watch?v=Q1wh...
Lighting in UE5: Scaling for Quality & Performance | Unreal Fest Bali 2025
YouTube video by Unreal Engine
www.youtube.com
October 30, 2025 at 1:05 PM
A great talk by Alexis Argyriou from Unreal Fest Bali about performant lighting in UE on various hardware. #uetips
www.youtube.com/watch?v=Q1wh...
www.youtube.com/watch?v=Q1wh...
"Getting Started in the Games Industry" is my story of how I entered the game development industry, how I moved from mobile to console games, and how I got my job at Epic Games. With practical advice to the new generation of game makers entering the industry.
www.youtube.com/watch?v=Ai3Q...
www.youtube.com/watch?v=Ai3Q...
Getting started in the games industry by Ari Arnbjörnsson, Epic Games
YouTube video by W Love Games Conference
www.youtube.com
October 22, 2025 at 1:47 PM
"Getting Started in the Games Industry" is my story of how I entered the game development industry, how I moved from mobile to console games, and how I got my job at Epic Games. With practical advice to the new generation of game makers entering the industry.
www.youtube.com/watch?v=Ai3Q...
www.youtube.com/watch?v=Ai3Q...
I had a training session for the speakers of Unreal Fest Orlando on how to speak better, drawing on my own experience fumbling on stage for years.
I've now finally made a proper EDC article + video of it so anyone can learn to become a better speaker!
dev.epicgames.com/community/le...
I've now finally made a proper EDC article + video of it so anyone can learn to become a better speaker!
dev.epicgames.com/community/le...
Making Epic Presentations | Talks and demos
Learn tips and tricks that can help you level up your presentation game, from the technical developer relations team at Epic Games.
dev.epicgames.com
October 20, 2025 at 3:10 PM
I had a training session for the speakers of Unreal Fest Orlando on how to speak better, drawing on my own experience fumbling on stage for years.
I've now finally made a proper EDC article + video of it so anyone can learn to become a better speaker!
dev.epicgames.com/community/le...
I've now finally made a proper EDC article + video of it so anyone can learn to become a better speaker!
dev.epicgames.com/community/le...
Bring The Great Hitch Hunt to your Halloween party with this karaoke version of "Kill the Hitch!" 🏹
YouTube: youtu.be/T8xX7BsgURI
Download: epicgames.box.com/v/HitchHuntKaraoke
YouTube: youtu.be/T8xX7BsgURI
Download: epicgames.box.com/v/HitchHuntKaraoke
October 19, 2025 at 7:55 PM
Bring The Great Hitch Hunt to your Halloween party with this karaoke version of "Kill the Hitch!" 🏹
YouTube: youtu.be/T8xX7BsgURI
Download: epicgames.box.com/v/HitchHuntKaraoke
YouTube: youtu.be/T8xX7BsgURI
Download: epicgames.box.com/v/HitchHuntKaraoke
I'm so honored to kick off the @wlovegames.bsky.social conference as the keynote speaker ❤️
My talk, "Getting Started in the Games Industry," is a deeply personal story of how I got into the industry, and how that translates into practical lessons for the new generation of game makers.
My talk, "Getting Started in the Games Industry," is a deeply personal story of how I got into the industry, and how that translates into practical lessons for the new generation of game makers.
October 14, 2025 at 1:46 PM
I'm so honored to kick off the @wlovegames.bsky.social conference as the keynote speaker ❤️
My talk, "Getting Started in the Games Industry," is a deeply personal story of how I got into the industry, and how that translates into practical lessons for the new generation of game makers.
My talk, "Getting Started in the Games Industry," is a deeply personal story of how I got into the industry, and how that translates into practical lessons for the new generation of game makers.
We just uploaded FORTY NINE presentation recordings from Unreal Fest Bali, and there's some top-notch content in there 🤩
Check them out here 👇
www.youtube.com/playlist?lis...
Check them out here 👇
www.youtube.com/playlist?lis...
Unreal Fest Bali 2025 - YouTube
www.youtube.com
October 14, 2025 at 11:17 AM
We just uploaded FORTY NINE presentation recordings from Unreal Fest Bali, and there's some top-notch content in there 🤩
Check them out here 👇
www.youtube.com/playlist?lis...
Check them out here 👇
www.youtube.com/playlist?lis...
We've been uploading a bunch of Unreal Fest talks to our Unreal Engine YouTube channel, such as this one from Tanglewood about taking the pain out of engine upgrades 👇
www.youtube.com/watch?v=vMEl...
www.youtube.com/watch?v=vMEl...
Taking the Pain Out of Engine Upgrades | Unreal Fest Orlando 2025
YouTube video by Unreal Engine
www.youtube.com
October 14, 2025 at 9:40 AM
We've been uploading a bunch of Unreal Fest talks to our Unreal Engine YouTube channel, such as this one from Tanglewood about taking the pain out of engine upgrades 👇
www.youtube.com/watch?v=vMEl...
www.youtube.com/watch?v=vMEl...
It was great to open for The Big Screen Gaming summit at Pocket Gamer Connects 🤘
"Hi from Helsinki!"
"Hi from Helsinki!"
October 10, 2025 at 10:52 AM
It was great to open for The Big Screen Gaming summit at Pocket Gamer Connects 🤘
"Hi from Helsinki!"
"Hi from Helsinki!"
We've just added an excellent article on optimizing Chaos in Unreal Engine, with lots of engine internals demystified 👀👇 #uetips
dev.epicgames.com/community/le...
dev.epicgames.com/community/le...
A Tech Artist’s Playbook for Chaos Performance | Tutorial
The purpose of this article is to highlight Chaos settings and asset-authoring choices that most impact physics performance.
dev.epicgames.com
October 1, 2025 at 1:18 PM
We've just added an excellent article on optimizing Chaos in Unreal Engine, with lots of engine internals demystified 👀👇 #uetips
dev.epicgames.com/community/le...
dev.epicgames.com/community/le...
Game devs in AAA: What are some misconceptions or fun facts about your industry?
I'll start: We don't have exclusive learning resources; we're watching the same YouTube presentations and online tutorials as everyone else.
I'll start: We don't have exclusive learning resources; we're watching the same YouTube presentations and online tutorials as everyone else.
September 29, 2025 at 6:38 AM
Game devs in AAA: What are some misconceptions or fun facts about your industry?
I'll start: We don't have exclusive learning resources; we're watching the same YouTube presentations and online tutorials as everyone else.
I'll start: We don't have exclusive learning resources; we're watching the same YouTube presentations and online tutorials as everyone else.
Words cannot describe how happy I am with the standing-room only crowd @mattoztalay.bsky.social and I got for a PROFILING talk! 😲
Huge thanks to Arctic Hazard and Tripwire Interactive for letting us show profiling data from their upcoming game, NORSE: Oath of Blood 🙏
Video recording coming soon!
Huge thanks to Arctic Hazard and Tripwire Interactive for letting us show profiling data from their upcoming game, NORSE: Oath of Blood 🙏
Video recording coming soon!
September 27, 2025 at 6:58 PM
Words cannot describe how happy I am with the standing-room only crowd @mattoztalay.bsky.social and I got for a PROFILING talk! 😲
Huge thanks to Arctic Hazard and Tripwire Interactive for letting us show profiling data from their upcoming game, NORSE: Oath of Blood 🙏
Video recording coming soon!
Huge thanks to Arctic Hazard and Tripwire Interactive for letting us show profiling data from their upcoming game, NORSE: Oath of Blood 🙏
Video recording coming soon!
Sometimes your heroes don't recognize you, and that's OK! Just be chill about it. Don't be like me when I met @timsweeneyepic.bsky.social. He's so famous! Uhm, do as I say, not as I do 😅
September 17, 2025 at 3:08 PM
Sometimes your heroes don't recognize you, and that's OK! Just be chill about it. Don't be like me when I met @timsweeneyepic.bsky.social. He's so famous! Uhm, do as I say, not as I do 😅
One week until Unreal Fest Stockholm! I'm so excited because I heard that Jack Condon will be there 🤩
Hmm, I wonder if I can get him to guest-cameo on stage with me 🤔
Hmm, I wonder if I can get him to guest-cameo on stage with me 🤔
September 15, 2025 at 11:51 AM
One week until Unreal Fest Stockholm! I'm so excited because I heard that Jack Condon will be there 🤩
Hmm, I wonder if I can get him to guest-cameo on stage with me 🤔
Hmm, I wonder if I can get him to guest-cameo on stage with me 🤔
Reposted by Ari Arnbjörnsson
Episode 21 of AnsweRED Podcast with Ari Arnbjörnsson, Senior Software Engineer, Developer Relations at Epic Games talks connecting art and programming, how much courage it takes to ask questions, and more!
🎧 YouTube: cdpred.ly/AnsweREDPodc...
🎧 Spotify: cdpred.ly/AnsweREDpodc...
🎧 YouTube: cdpred.ly/AnsweREDPodc...
🎧 Spotify: cdpred.ly/AnsweREDpodc...
September 12, 2025 at 12:42 PM
Episode 21 of AnsweRED Podcast with Ari Arnbjörnsson, Senior Software Engineer, Developer Relations at Epic Games talks connecting art and programming, how much courage it takes to ask questions, and more!
🎧 YouTube: cdpred.ly/AnsweREDPodc...
🎧 Spotify: cdpred.ly/AnsweREDpodc...
🎧 YouTube: cdpred.ly/AnsweREDPodc...
🎧 Spotify: cdpred.ly/AnsweREDpodc...
Reposted by Ari Arnbjörnsson
so many devs treat perf this way, like a series of unquantifiable acts of god
September 11, 2025 at 8:46 AM
so many devs treat perf this way, like a series of unquantifiable acts of god
I couldn't even speak straight when I met the one, the only, the most FAMOUS @highlyspammable.bsky.social ! 🤩
I think he even glanced my way *swoon* ❤️
Unreal Fest Stockholm is SO CLOSE! I can't wait to meet all the cool people there.
I think he even glanced my way *swoon* ❤️
Unreal Fest Stockholm is SO CLOSE! I can't wait to meet all the cool people there.
September 10, 2025 at 1:18 PM
I couldn't even speak straight when I met the one, the only, the most FAMOUS @highlyspammable.bsky.social ! 🤩
I think he even glanced my way *swoon* ❤️
Unreal Fest Stockholm is SO CLOSE! I can't wait to meet all the cool people there.
I think he even glanced my way *swoon* ❤️
Unreal Fest Stockholm is SO CLOSE! I can't wait to meet all the cool people there.
Reposted by Ari Arnbjörnsson
Looking forward to seeing some of y’all!
Whoa, I ran into @phyronnaz.bsky.social in Orlando! He made the Voxel Plugin for Unreal!
So many cool people to run into at Unreal Fest. And it's only two weeks now until the next one in Stockholm 😯
So many cool people to run into at Unreal Fest. And it's only two weeks now until the next one in Stockholm 😯
September 8, 2025 at 6:00 PM
Looking forward to seeing some of y’all!
Late to an online meeting again? So embarrassing!
A 10-minute default heads-up is way too much time when I just need to join a Zoom.
Pro life hack: Go to the calendar settings and set the default notification time to 2 or even zero minutes. Never be late to an online meeting again!
A 10-minute default heads-up is way too much time when I just need to join a Zoom.
Pro life hack: Go to the calendar settings and set the default notification time to 2 or even zero minutes. Never be late to an online meeting again!
September 8, 2025 at 1:12 PM
Late to an online meeting again? So embarrassing!
A 10-minute default heads-up is way too much time when I just need to join a Zoom.
Pro life hack: Go to the calendar settings and set the default notification time to 2 or even zero minutes. Never be late to an online meeting again!
A 10-minute default heads-up is way too much time when I just need to join a Zoom.
Pro life hack: Go to the calendar settings and set the default notification time to 2 or even zero minutes. Never be late to an online meeting again!
Whoa, I ran into @phyronnaz.bsky.social in Orlando! He made the Voxel Plugin for Unreal!
So many cool people to run into at Unreal Fest. And it's only two weeks now until the next one in Stockholm 😯
So many cool people to run into at Unreal Fest. And it's only two weeks now until the next one in Stockholm 😯
September 8, 2025 at 11:22 AM
Whoa, I ran into @phyronnaz.bsky.social in Orlando! He made the Voxel Plugin for Unreal!
So many cool people to run into at Unreal Fest. And it's only two weeks now until the next one in Stockholm 😯
So many cool people to run into at Unreal Fest. And it's only two weeks now until the next one in Stockholm 😯
If you see this dialog in your Unreal Engine project, click Install. At Epic Games, we now ensure that the preferred toolchains for the current engine version are listed in the Visual Studio solution. #uetips
September 4, 2025 at 8:48 AM
If you see this dialog in your Unreal Engine project, click Install. At Epic Games, we now ensure that the preferred toolchains for the current engine version are listed in the Visual Studio solution. #uetips
This is how my game dev journey started.
When I was 15, I got a trial version of Flash, created this short with my friend on his computer, and submitted it to newgrounds.com. It scored 2.06 out of 5 😄
And now I work at Epic Games! 😮
What ignited your game dev career?
When I was 15, I got a trial version of Flash, created this short with my friend on his computer, and submitted it to newgrounds.com. It scored 2.06 out of 5 😄
And now I work at Epic Games! 😮
What ignited your game dev career?
September 3, 2025 at 10:37 AM
This is how my game dev journey started.
When I was 15, I got a trial version of Flash, created this short with my friend on his computer, and submitted it to newgrounds.com. It scored 2.06 out of 5 😄
And now I work at Epic Games! 😮
What ignited your game dev career?
When I was 15, I got a trial version of Flash, created this short with my friend on his computer, and submitted it to newgrounds.com. It scored 2.06 out of 5 😄
And now I work at Epic Games! 😮
What ignited your game dev career?
Even though there will be many Epic folks at Unreal Fest, I'm also excited to meet the community people! Like when I ran into @gamedevmicah.bsky.social in Orlando 🤩
September 3, 2025 at 9:43 AM
Even though there will be many Epic folks at Unreal Fest, I'm also excited to meet the community people! Like when I ran into @gamedevmicah.bsky.social in Orlando 🤩