jacob

@jsnnsa • 19,393 subscribers

funmaxxing. founder @spawn

Shorts

claude fable 5 is live. spawn 5.0 was built with it: 1,687 prompts, 102 sessions, my job shifted from architecture to judging taste. what we built, each of which would've been at least a month with a whole team on opus: — a from-scratch physics engine (mantle) that rivals rapier, testable in a day as a side thread — clustered froxel lighting: 8 lights to 1,000+ fully dynamic ("it's stupid fast" — creator of threejs) — realtime diffuse GI on webgpu, on your phone (landing in the next update) — million-particle gpu vfx with a shader architecture beyond what unreal and unity ship — mmo-scale netcode plus, for good measure: an (alpha) native ios app. all of it in about a week. all of it running on mobile. and the list doesn't include half of what we shipped — full changelog in the thread below. and the part the benchmarks won't show you: this model has a wonderful personality. it's genuinely funny. i laughed so hard i cried multiple times, mid-physics-rewrite. the genius and the character aren't separate features.

claude fable 5 is live. spawn 5.0 was built with it: 1,687 prompts, 102 sessions, my job shifted from architecture to judging taste. what we built, each of which would've been at least a month with a whole team on opus: — a from-scratch physics engine (mantle) that rivals rapier, testable in a day as a side thread — clustered froxel lighting: 8 lights to 1,000+ fully dynamic ("it's stupid fast" — creator of threejs) — realtime diffuse GI on webgpu, on your phone (landing in the next update) — million-particle gpu vfx with a shader architecture beyond what unreal and unity ship — mmo-scale netcode plus, for good measure: an (alpha) native ios app. all of it in about a week. all of it running on mobile. and the list doesn't include half of what we shipped — full changelog in the thread below. and the part the benchmarks won't show you: this model has a wonderful personality. it's genuinely funny. i laughed so hard i cried multiple times, mid-physics-rewrite. the genius and the character aren't separate features.

55,515 views

fable is insane for game development confirmed

fable is insane for game development confirmed

27,337 views

prompt: "Make a village from skyrim" time: 2 minutes

prompt: "Make a village from skyrim" time: 2 minutes

27,778 views

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I had 26 Opus 5.5 agents build a game overnight. It's a heist through five nested worlds, with go-karts on a giant's kitchen table, bots hunting you, and friends stealing your loot. Most vibe-coded games are demos. This one is different.. it's multiplayer and you can play it right now.

I had 26 Opus 5.5 agents build a game overnight. It's a heist through five nested worlds, with go-karts on a giant's kitchen table, bots hunting you, and friends stealing your loot. Most vibe-coded games are demos. This one is different.. it's multiplayer and you can play it right now.

231,942 views • 1 month ago

we just pulled off the first test of something no one's ever done: 30 people building a game world together, live, while playing in it. the next one is this weekend, and it’s going to be even crazier. comment if you want an invite!!

we just pulled off the first test of something no one's ever done: 30 people building a game world together, live, while playing in it. the next one is this weekend, and it’s going to be even crazier. comment if you want an invite!!

155,371 views • 29 days ago

“fuck these devs i'll make it myself” is a development roadmap now one guy rebuilt Battlerite in a few days. you can play it in your browser.

“fuck these devs i'll make it myself” is a development roadmap now one guy rebuilt Battlerite in a few days. you can play it in your browser.

32,426 views • 18 days ago

you’ve seen a hundred Opus 5 oneshot demos this week. here’s the first one you can play with your friends. because it wasn’t a oneshot. conversation is all you need.

you’ve seen a hundred Opus 5 oneshot demos this week. here’s the first one you can play with your friends. because it wasn’t a oneshot. conversation is all you need.

131,649 views • 3 months ago

spawn creator interview #4: special education teacher by day. “one more boss fight tweak” until 4am. 死: One Hit Kill made little Flash games when he was younger, then spent 20+ years in education. now he’s building One Hit Kill on spawn, bringing together everything he loves about WoW Arena, Tekken, and Souls games. my favorite detail: a boss fight worked exactly as instructed. five parries, then a stun. but playing it, he could feel the tiny delay that made it unsatisfying. so he fixed it. that’s decades of playing games turning into taste he can finally put to work. on weekends, he builds with his kids. they still draw. they still invent stories. now they get to play them. creator interview #4. “just one more thing” until it’s 4am and he has to teach tomorrow.

spawn creator interview #4: special education teacher by day. “one more boss fight tweak” until 4am. 死: One Hit Kill made little Flash games when he was younger, then spent 20+ years in education. now he’s building One Hit Kill on spawn, bringing together everything he loves about WoW Arena, Tekken, and Souls games. my favorite detail: a boss fight worked exactly as instructed. five parries, then a stun. but playing it, he could feel the tiny delay that made it unsatisfying. so he fixed it. that’s decades of playing games turning into taste he can finally put to work. on weekends, he builds with his kids. they still draw. they still invent stories. now they get to play them. creator interview #4. “just one more thing” until it’s 4am and he has to teach tomorrow.

13,238 views • 11 days ago

I gave Claude Opus 5 blender. this is a oneshot. and I don't even care about oneshots conversation is all you need. imagine a hundred turns deep.

I gave Claude Opus 5 blender. this is a oneshot. and I don't even care about oneshots conversation is all you need. imagine a hundred turns deep.

48,611 views • 3 months ago

this game was vibe coded in a week. if you have taste you can create anything now. just watch it.

this game was vibe coded in a week. if you have taste you can create anything now. just watch it.

109,024 views • 8 months ago

If your startup CEO isn't prototyping new product today you're ngmi

If your startup CEO isn't prototyping new product today you're ngmi

69,876 views • 2 years ago

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