Sam Seltzer-Johnston
@sbseltzer.net
Freelance #GameDev
Sr Engineer at Exis Interactive
NPC systems for Dragonhold: https://store.steampowered.com/app/1510330/Dragonhold/
Co-developed ExoCorps: exocorpsgame.com/steam
He/Him
😷
sbseltzer.net
Sr Engineer at Exis Interactive
NPC systems for Dragonhold: https://store.steampowered.com/app/1510330/Dragonhold/
Co-developed ExoCorps: exocorpsgame.com/steam
He/Him
😷
sbseltzer.net
Reposted by Sam Seltzer-Johnston
“Helsinki hasn’t registered a single traffic-related fatality in the past year…Citing data that shows the risk of pedestrian fatality is cut in half by reducing a car’s speed from 40 to 30km/hr, city officials imposed the lower limit in most of Helsinki’s residential areas & city center in 2021.”
Helsinki just went a full year without a single traffic death
The capital city is Finnish’ed with car-related fatalities.
www.politico.eu
November 17, 2025 at 6:31 AM
“Helsinki hasn’t registered a single traffic-related fatality in the past year…Citing data that shows the risk of pedestrian fatality is cut in half by reducing a car’s speed from 40 to 30km/hr, city officials imposed the lower limit in most of Helsinki’s residential areas & city center in 2021.”
Reposted by Sam Seltzer-Johnston
Rebecca was one of the founders of Interplay, worked as a programmer on companies like EA, Microsoft and Ubisoft, helped building the PSP and PS4 operating systems and won the 1980 National Space Invaders Championship!
RIP to one of the greatest :(
RIP to one of the greatest :(
My trailblazing game industry bad-ass friend Rebecca Heineman has passed away.
Fuck cancer.
Friends, let’s not forget her: en.wikipedia.org/wiki/Rebecca...
Fuck cancer.
Friends, let’s not forget her: en.wikipedia.org/wiki/Rebecca...
Rebecca Heineman - Wikipedia
en.wikipedia.org
November 17, 2025 at 10:34 PM
Rebecca was one of the founders of Interplay, worked as a programmer on companies like EA, Microsoft and Ubisoft, helped building the PSP and PS4 operating systems and won the 1980 National Space Invaders Championship!
RIP to one of the greatest :(
RIP to one of the greatest :(
Cleaning up old tabs and damn this kinda stuff is so damn cool www.science.org/content/arti...
Vampire bats’ mutual grooming helps spread innovative rabies vaccine
A gel that bats lick off one another’s fur could help prevent rabies outbreaks in cattle, a growing problem in Latin America
www.science.org
November 18, 2025 at 4:06 AM
Cleaning up old tabs and damn this kinda stuff is so damn cool www.science.org/content/arti...
Reposted by Sam Seltzer-Johnston
Reposted by Sam Seltzer-Johnston
It is genuinely incredible to me how much evidence there is to support investing in the public good and how much animus there is to do this simple, effective thing.
November 18, 2025 at 3:00 AM
It is genuinely incredible to me how much evidence there is to support investing in the public good and how much animus there is to do this simple, effective thing.
Reposted by Sam Seltzer-Johnston
Reposted by Sam Seltzer-Johnston
"Get his ass” Is so unreasonably funny to me. A huge win for the English language. Today's version of "seize him" imo
November 16, 2025 at 5:22 AM
"Get his ass” Is so unreasonably funny to me. A huge win for the English language. Today's version of "seize him" imo
Reposted by Sam Seltzer-Johnston
forgot sound, but I gotchu
September 15, 2024 at 3:28 AM
forgot sound, but I gotchu
Reposted by Sam Seltzer-Johnston
Reposted by Sam Seltzer-Johnston
a reply suggested making the relationships in Ambrosia Sky heterosexual but yesterday while i was passed out in a migraine haze my partner cleaned filed & repainted my nails so no i do not think you can arbitrarily swap genders and have the story make sense 💅
store.steampowered.com/app/3580160/...
store.steampowered.com/app/3580160/...
Save 15% on Ambrosia Sky: Act One on Steam
You left. Now they’re dead. Ambrosia Sky: Act One is an immersive sim about exploring an asteroid colony devastated by an unknown contamination. Survive and harvest strains of hostile alien fungi, exp...
store.steampowered.com
November 16, 2025 at 11:02 PM
a reply suggested making the relationships in Ambrosia Sky heterosexual but yesterday while i was passed out in a migraine haze my partner cleaned filed & repainted my nails so no i do not think you can arbitrarily swap genders and have the story make sense 💅
store.steampowered.com/app/3580160/...
store.steampowered.com/app/3580160/...
Reposted by Sam Seltzer-Johnston
Also
Man I really need AI Overview to fuck off.
I'm not joking when I say it's at least subtly wrong about the things I'm looking up like 50% of the time.
Man I really need AI Overview to fuck off.
I'm not joking when I say it's at least subtly wrong about the things I'm looking up like 50% of the time.
November 17, 2025 at 2:57 AM
Also
Man I really need AI Overview to fuck off.
I'm not joking when I say it's at least subtly wrong about the things I'm looking up like 50% of the time.
Man I really need AI Overview to fuck off.
I'm not joking when I say it's at least subtly wrong about the things I'm looking up like 50% of the time.
Reposted by Sam Seltzer-Johnston
New Youtube video available now! This features, Helice tridens, a common crab species found in Japan.
youtu.be/Mm-AK5nnp3Q?...
YouTubeの横長動画の更新です💡今回はアシハラガニ。短いですが、大群で登場します。ご笑覧下さい。
#crab #カニ #invertebrate
🦀🦑🧪
youtu.be/Mm-AK5nnp3Q?...
YouTubeの横長動画の更新です💡今回はアシハラガニ。短いですが、大群で登場します。ご笑覧下さい。
#crab #カニ #invertebrate
🦀🦑🧪
#5 ”Helice tridens アシハラガニ” [Crabs' Promenade in Japan カニの散歩道日本編]
YouTube video by カニの散歩道 Crabs' Promenade
youtu.be
November 15, 2025 at 9:38 AM
New Youtube video available now! This features, Helice tridens, a common crab species found in Japan.
youtu.be/Mm-AK5nnp3Q?...
YouTubeの横長動画の更新です💡今回はアシハラガニ。短いですが、大群で登場します。ご笑覧下さい。
#crab #カニ #invertebrate
🦀🦑🧪
youtu.be/Mm-AK5nnp3Q?...
YouTubeの横長動画の更新です💡今回はアシハラガニ。短いですが、大群で登場します。ご笑覧下さい。
#crab #カニ #invertebrate
🦀🦑🧪
Reposted by Sam Seltzer-Johnston
Reposted by Sam Seltzer-Johnston
I internalized a fun little tidbit of advice on that -- at 24fps, it takes a viewer roughly 6f (or .25s) to process movement, so that's the minimum speed for eye saccades. It's a good minimum for anticipation frames too, but that varies depending on whatever you're doing.
February 3, 2025 at 6:10 PM
I internalized a fun little tidbit of advice on that -- at 24fps, it takes a viewer roughly 6f (or .25s) to process movement, so that's the minimum speed for eye saccades. It's a good minimum for anticipation frames too, but that varies depending on whatever you're doing.
Reposted by Sam Seltzer-Johnston
IMO the US needs a framework akin to the Green New Deal, but for the move to single-payer (New Deal for Health?)
Single-payer will eliminate some 2M insurance-related jobs, but if we incorporate a major investment at NIH, we can put people to work improving healthcare instead of blocking it.
Single-payer will eliminate some 2M insurance-related jobs, but if we incorporate a major investment at NIH, we can put people to work improving healthcare instead of blocking it.
the backlash in the dem party to the whole concept of fancy email/spreadsheet jobs needs to end soon. this could create good jobs for people of all education levels: researchers, lab techs, scicomm people, support workers for things like childcare. unionized, highly paid, in service of one mission.
The US should triple the NIH budget.
November 17, 2025 at 3:45 AM
IMO the US needs a framework akin to the Green New Deal, but for the move to single-payer (New Deal for Health?)
Single-payer will eliminate some 2M insurance-related jobs, but if we incorporate a major investment at NIH, we can put people to work improving healthcare instead of blocking it.
Single-payer will eliminate some 2M insurance-related jobs, but if we incorporate a major investment at NIH, we can put people to work improving healthcare instead of blocking it.
Reposted by Sam Seltzer-Johnston
Oh My Goose… The Unreal Fest Technical talk is now Live on UnrealEngine’s Youtube channel! Thank you EpicGames and TimSweeney for the wonderful opportunity to expand on Destruction! 🙏🙏🙏gamedev indiegamedev Joyshare😇 m.youtube.com/watch?v=Rt0R... Giantess Playground Epic Game Store
Speeding Up Destruction in Giantess Playground | Unreal Fest Orlando 2025
YouTube video by Unreal Engine
m.youtube.com
November 17, 2025 at 3:46 AM
Oh My Goose… The Unreal Fest Technical talk is now Live on UnrealEngine’s Youtube channel! Thank you EpicGames and TimSweeney for the wonderful opportunity to expand on Destruction! 🙏🙏🙏gamedev indiegamedev Joyshare😇 m.youtube.com/watch?v=Rt0R... Giantess Playground Epic Game Store
Reposted by Sam Seltzer-Johnston
Hopward now has cosmetics!
hidden throughout the world for you to discover and equip.
Time to make your frog stylish while you climb. 🐸
Hopward is 20% off
store.steampowered.com/app/3910510/...
#indiegame #gamedev #IndieDev #indiegamedev #hopward #indiegame #UE5 #madewithunreal #Steam
hidden throughout the world for you to discover and equip.
Time to make your frog stylish while you climb. 🐸
Hopward is 20% off
store.steampowered.com/app/3910510/...
#indiegame #gamedev #IndieDev #indiegamedev #hopward #indiegame #UE5 #madewithunreal #Steam
November 15, 2025 at 4:56 PM
Hopward now has cosmetics!
hidden throughout the world for you to discover and equip.
Time to make your frog stylish while you climb. 🐸
Hopward is 20% off
store.steampowered.com/app/3910510/...
#indiegame #gamedev #IndieDev #indiegamedev #hopward #indiegame #UE5 #madewithunreal #Steam
hidden throughout the world for you to discover and equip.
Time to make your frog stylish while you climb. 🐸
Hopward is 20% off
store.steampowered.com/app/3910510/...
#indiegame #gamedev #IndieDev #indiegamedev #hopward #indiegame #UE5 #madewithunreal #Steam
Reposted by Sam Seltzer-Johnston
I made a Prince of Persia-style wallrun system in Unreal Engine 5 #gamedev
I've made several wallrun systems over the years, but I keep coming back to it. This must be v20 at least by now, but I've finally gotten to the point where I'm pretty happy with my wallrun
I've made several wallrun systems over the years, but I keep coming back to it. This must be v20 at least by now, but I've finally gotten to the point where I'm pretty happy with my wallrun
November 15, 2025 at 1:46 PM
I made a Prince of Persia-style wallrun system in Unreal Engine 5 #gamedev
I've made several wallrun systems over the years, but I keep coming back to it. This must be v20 at least by now, but I've finally gotten to the point where I'm pretty happy with my wallrun
I've made several wallrun systems over the years, but I keep coming back to it. This must be v20 at least by now, but I've finally gotten to the point where I'm pretty happy with my wallrun
Reposted by Sam Seltzer-Johnston
Here's the breakdown for my absolute favourite personal project, Days Adrift, hope to jump back into something with these scifi vibes sometime!
First part covering Inspiration, Modelling & Lookdev
(multi-part thread)
#UnrealEngine #UE5 #GameDev #EnvironmentArt #LookDev #VFX #Cinematics
First part covering Inspiration, Modelling & Lookdev
(multi-part thread)
#UnrealEngine #UE5 #GameDev #EnvironmentArt #LookDev #VFX #Cinematics
November 16, 2025 at 9:39 PM
Here's the breakdown for my absolute favourite personal project, Days Adrift, hope to jump back into something with these scifi vibes sometime!
First part covering Inspiration, Modelling & Lookdev
(multi-part thread)
#UnrealEngine #UE5 #GameDev #EnvironmentArt #LookDev #VFX #Cinematics
First part covering Inspiration, Modelling & Lookdev
(multi-part thread)
#UnrealEngine #UE5 #GameDev #EnvironmentArt #LookDev #VFX #Cinematics
Reposted by Sam Seltzer-Johnston
Any #UE5 sickos have experience with this?
In #UnrealEngine 4 there were issues with precision when you traveled too far from the origin, so it had a fixup-feature called "World Offset." This is downplayed in UE5 which uses "Large World Coordinates" but the methods are still there -- anyone know if it's still reliable to use?
November 16, 2025 at 8:43 PM
Any #UE5 sickos have experience with this?
Reposted by Sam Seltzer-Johnston
Sunday, I'm trying to some rest, so I'm studying material that I put off for a long time, something interesting about Unreal Engine Niagara. Particles in Grid and Sample Texture. Easy peasy lemon squeezy #UnrealEngine #UE5 #gamedev #uetips #indiedev
November 16, 2025 at 8:59 PM
Sunday, I'm trying to some rest, so I'm studying material that I put off for a long time, something interesting about Unreal Engine Niagara. Particles in Grid and Sample Texture. Easy peasy lemon squeezy #UnrealEngine #UE5 #gamedev #uetips #indiedev
Reposted by Sam Seltzer-Johnston
(sound on) It's crazy how much audio adds to a game! Implemented Pete's wind audio for dynamic movement sounds.
#indiedev #gameaudio #ue5
#indiedev #gameaudio #ue5
November 16, 2025 at 7:56 PM
(sound on) It's crazy how much audio adds to a game! Implemented Pete's wind audio for dynamic movement sounds.
#indiedev #gameaudio #ue5
#indiedev #gameaudio #ue5
Reposted by Sam Seltzer-Johnston
Reposted by Sam Seltzer-Johnston
Did that Super Mario Galaxy movie trailer get your nostalgia running? Feel like getting it out of your system by creating something? Why not start with the Custom Gravity tutorial, it will make for a great base for tiny planet hopping!
🌍🏃♂️➡️🌏
dev.epicgames.com/community/le...
🌍🏃♂️➡️🌏
dev.epicgames.com/community/le...
November 14, 2025 at 3:29 PM
Did that Super Mario Galaxy movie trailer get your nostalgia running? Feel like getting it out of your system by creating something? Why not start with the Custom Gravity tutorial, it will make for a great base for tiny planet hopping!
🌍🏃♂️➡️🌏
dev.epicgames.com/community/le...
🌍🏃♂️➡️🌏
dev.epicgames.com/community/le...