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Cool stuff: This weekend I vibe-coded an entire multiplayer game built entirely around "prompting", think Minecraft but with prompts! 🤯 It's the first game I've made where my friends and I spent 5 hours straight playing, it was so fun and unique. This map was 100% empty!

Nicolas Zullo

7,849 subscribers

223,914 views • 1 year ago •via X (Twitter)

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11 Comments

Nicolas Zullo1 year ago

Made with @threejs, and sorry @levelsio It's too late for the #vibejam! Took me about 200 prompts with @cursor_ai, and some big help from Grok 3, thanks @xai

Nicolas Zullo1 year ago

@levelsio @cursor_ai @xai

Nicolas Zullo1 year ago

"A trebuchet that launches a rock when I press K"

RedDeer.Games IR2 years ago

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Danny Limanseta1 year ago

holy crap this looks like a true sandbox game where you can generate anything, its like playing and building your world at the same time. Love to see more!

Nicolas Zullo1 year ago

It’s insane. I haven’t explored the limits of my own game!

Nicolas Zullo1 year ago

So far it’s pretty wild a lot of things work! Even scripting, animating…

webduno1 year ago

looks great, i tried doing a similar project for the #vibejam and got to a similar point but didnt manage to make the ai generate proper models, would you be able help me out in refining my base prompt?

Nicolas Zullo1 year ago

To be honest I asked Grok to write the base prompt I didn't even change it

Gaius1 year ago

This is because the javascript libraries have good support for these types of 3d games today. And because the LLM models have been trained a ton of example codes of similar games. Trying to vibe code more unique/new apps doesn't work as well.

Nicolas Zullo1 year ago

Well here the gameplay is that you can prompt within the game. Kind of crazy

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134,670 views • 1 year ago

Unity 6 + Opus 4.8 built a Minecraft-style game with just 2 prompts 😱 The first prompt took around 15 minutes. The second prompt took around 40 minutes. I wrote down everything I wanted for the first version, GPT expanded it with more details, and I sent it to Opus. Less than an hour later, I had a playable game. I actually spent more time setting up Unity 6 than building the game itself. It's wild to think about where this is heading. If 2 prompts can do this, imagine what an entire project looks like when every feature is built this way. Congrats to Anthropic. What they're building is incredible.

Unity 6 + Opus 4.8 built a Minecraft-style game with just 2 prompts 😱 The first prompt took around 15 minutes. The second prompt took around 40 minutes. I wrote down everything I wanted for the first version, GPT expanded it with more details, and I sent it to Opus. Less than an hour later, I had a playable game. I actually spent more time setting up Unity 6 than building the game itself. It's wild to think about where this is heading. If 2 prompts can do this, imagine what an entire project looks like when every feature is built this way. Congrats to Anthropic. What they're building is incredible.

Matthew

25,548 views • 2 months ago

this is unironically one of the coolest and most unique video games i've played in my life i spent 5 hours swapping cds it's so fun

this is unironically one of the coolest and most unique video games i've played in my life i spent 5 hours swapping cds it's so fun

PBJ

466,030 views • 2 months ago

So instead of playing the game the way it was meant to I just did stuff I wanted to test (made jumping, trying to get outside the map and if I can get playing it again tomorrow I think I might be the first to break out the map)….. Also it has crabs, fish and halo shells

So instead of playing the game the way it was meant to I just did stuff I wanted to test (made jumping, trying to get outside the map and if I can get playing it again tomorrow I think I might be the first to break out the map)….. Also it has crabs, fish and halo shells

HaloVFX

188,281 views • 9 months ago

My latest Game Release Cool Story Bro ended up with almost 0 coverage from press and Streamers 😭😬 I thought that this game had big potential but it turns out I was very very wrong… This game was hella fun to make though and tbh I really enjoy to play it with my friends 😂🙌

My latest Game Release Cool Story Bro ended up with almost 0 coverage from press and Streamers 😭😬 I thought that this game had big potential but it turns out I was very very wrong… This game was hella fun to make though and tbh I really enjoy to play it with my friends 😂🙌

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23,360 views • 1 month ago

Okay I tried the same Null Modem with 👹 DOOM and it works too, it's super laggy though I think because the BAUD rate is 14400 (like 14.4kbps or 1.8 kilobyte per second!) DOOM was the first game that made multiplayer game networking mainstream and it literally invented the word "deathmatch" But it works, very cool

Okay I tried the same Null Modem with 👹 DOOM and it works too, it's super laggy though I think because the BAUD rate is 14400 (like 14.4kbps or 1.8 kilobyte per second!) DOOM was the first game that made multiplayer game networking mainstream and it literally invented the word "deathmatch" But it works, very cool

@levelsio

147,769 views • 2 months ago

How do you make a vibe-coded world feel truly alive instead of looking like a few assets randomly scattered across an empty map? I keep running into this problem. The AI can generate the terrain and each asset individually, but it struggles with placement, density and composition. A forest becomes ten isolated trees. A town becomes three buildings beside a road. The assets exist, but the environment never feels naturally constructed. It made me think about last year, when I opened X and discovered the insane project @levelsio was building: a multiplayer flight game running entirely in the browser, with a sponsorship system where brands could buy their own advertising blimps. The entire project was vibe-coded. Watching such an ambitious idea become a real multiplayer game was incredible, and it was exactly the kind of project that pushed me to go 100% into vibe coding. Now Astra is emerging as OpenAI’s next major model family (whether it eventually ships as GPT‑5.7, GPT‑6 or something else) and I’m ridiculously excited to discover what this new generation will let us build. So here’s a little nod to that inspiration with my own project where you can pilot a plane. And yes, I absolutely love Disney’s Planes 😂 How do you handle environmental placement in your projects? Better prompts, procedural generation, specialized tools, or manual level design afterward?

How do you make a vibe-coded world feel truly alive instead of looking like a few assets randomly scattered across an empty map? I keep running into this problem. The AI can generate the terrain and each asset individually, but it struggles with placement, density and composition. A forest becomes ten isolated trees. A town becomes three buildings beside a road. The assets exist, but the environment never feels naturally constructed. It made me think about last year, when I opened X and discovered the insane project @levelsio was building: a multiplayer flight game running entirely in the browser, with a sponsorship system where brands could buy their own advertising blimps. The entire project was vibe-coded. Watching such an ambitious idea become a real multiplayer game was incredible, and it was exactly the kind of project that pushed me to go 100% into vibe coding. Now Astra is emerging as OpenAI’s next major model family (whether it eventually ships as GPT‑5.7, GPT‑6 or something else) and I’m ridiculously excited to discover what this new generation will let us build. So here’s a little nod to that inspiration with my own project where you can pilot a plane. And yes, I absolutely love Disney’s Planes 😂 How do you handle environmental placement in your projects? Better prompts, procedural generation, specialized tools, or manual level design afterward?

Givros

15,639 views • 3 days ago

i've missed this so much, being able to again run around a game i poured thousands of hours into feels so nice. i streamed and played this game when no one else would becuz it was so addicting. hoping multiplayer comes back at some point so i can play with the OGs from years ago

i've missed this so much, being able to again run around a game i poured thousands of hours into feels so nice. i streamed and played this game when no one else would becuz it was so addicting. hoping multiplayer comes back at some point so i can play with the OGs from years ago

STAS1S

28,649 views • 5 months ago

I am not a developer. Not even remotely. But today I spent 14 hours working on VibeCraft (think Minecraft, but with prompts). It's the first time my friends are telling me I made an addictive game and actually playing it! So today I added 6 000 lines of code in 20 commits. Among the hardest features in VibeCraft: ✅ Real-Time Multiplayer ✅ Real-Time 3D Asset Generation by multi LLM ✅ Move, Edit, Copy intuitively ✅ Authentication ✅ 100% Mobile Responsive ✅ Hosting & Database ✅ Admin backoffice I didn't know how to do any of these and everything you see in the video is made in game, by prompting, at runtime, and you can NOT believe how good LLM are becoming on geo spatial gen I hope that in a few days I can open the alpha to the public, and I can't wait to hear your feedbacks!

I am not a developer. Not even remotely. But today I spent 14 hours working on VibeCraft (think Minecraft, but with prompts). It's the first time my friends are telling me I made an addictive game and actually playing it! So today I added 6 000 lines of code in 20 commits. Among the hardest features in VibeCraft: ✅ Real-Time Multiplayer ✅ Real-Time 3D Asset Generation by multi LLM ✅ Move, Edit, Copy intuitively ✅ Authentication ✅ 100% Mobile Responsive ✅ Hosting & Database ✅ Admin backoffice I didn't know how to do any of these and everything you see in the video is made in game, by prompting, at runtime, and you can NOT believe how good LLM are becoming on geo spatial gen I hope that in a few days I can open the alpha to the public, and I can't wait to hear your feedbacks!

Nicolas Zullo

30,131 views • 1 year ago

Little vibe coding session: I've seen loads of cool vibe coded games so I've built an arcade to play them all! It's called VibeHouse. Entirely built with Three.js. Added some games I've found but you can add yours if you find a machine available in the room. :) Tribute to the great old school arcades that have made gaming so special, but are unfortunately closing one after another. Have fun!

Little vibe coding session: I've seen loads of cool vibe coded games so I've built an arcade to play them all! It's called VibeHouse. Entirely built with Three.js. Added some games I've found but you can add yours if you find a machine available in the room. :) Tribute to the great old school arcades that have made gaming so special, but are unfortunately closing one after another. Have fun!

gwendall

58,934 views • 1 year ago

I ran Claude Opus 5 in one marathon session for 24 hours straight, and ended up with this game. No external assets or code. Every pixel and sound was built by Claude. Prompts, workflow, code, and link below. (sound on!)

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606,599 views • 16 days ago

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67,125 views • 9 months ago

I've spent the last 2 days vibe coding with Grok and Claude Sonnet I'm making a hybrid battle royale game in HYTOPIA that is a cross of Fortnite + Minecraft. It's feeling really good! Here's a video demoing the features built in 6 hours and an explanation of the game!

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12,788 views • 1 year ago

With this Changed Minecraft mod i recrated the first location in orginal game ..and it works, its pretty cool tho.

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12,147 views • 1 month ago

People be complaining about glitch this, unplayable bug that, my brother in Christ my biggest worry was that they would "Tarkov" the game; And I can confirm that my fears were unfounded, it is in fact a stalker game, and I've had nothing but fun the past few hours playing it.

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csAlfredo

371,609 views • 1 year ago

Explore the shallow seas as a stingray, vibe coded on ThreeJs using Cursor. I made a similar game more than a year ago, but I hit a roadblock because the models back then (I think I was using Sonnet 3.5) struggled with handling 3D models, but now, it's a different story. All 3D models were made with Tripo3D and I was able to put this together in less than 8 hours worth of work. I mainly used Composer 2.5 and Opus 4.8 to make this. Will try to find the original game I made a while ago and put it into the replies section.

Explore the shallow seas as a stingray, vibe coded on ThreeJs using Cursor. I made a similar game more than a year ago, but I hit a roadblock because the models back then (I think I was using Sonnet 3.5) struggled with handling 3D models, but now, it's a different story. All 3D models were made with Tripo3D and I was able to put this together in less than 8 hours worth of work. I mainly used Composer 2.5 and Opus 4.8 to make this. Will try to find the original game I made a while ago and put it into the replies section.

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35,197 views • 2 months ago

I finally finished Elden Ring. It was my first souls game and it kicked my ass. It made me feel so many things I've never felt playing any game and I loved every second of it in the end. Absolutely magical game. ♥️ Here is my reaction to finally reaching the end.

I finally finished Elden Ring. It was my first souls game and it kicked my ass. It made me feel so many things I've never felt playing any game and I loved every second of it in the end. Absolutely magical game. ♥️ Here is my reaction to finally reaching the end.

Diffizzle

24,272 views • 1 year ago

It's not my most technical anything but this stuff was some of the most fun I've had animating and I don't care how many times I repost it

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289,245 views • 3 years ago