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How People Are Using AI For Developing Games

Builders are vibe-coding full prototypes—multiplayer loops, chatty NPCs with memory, shaders—by prompting, letting AI write servers, generate art, and live-debug so solo devs (and kids) ship in hours, not weeks. In 2025, “world models” can spin text/images into interactive 3D spaces, hinting at a game-engine-as-model future. Users gush about speed and creativity; experts celebrate the trajectory but flag physics gaps, bias, and maintainability—so AI is the turbo for prototyping while human design/testing harden production.

🤖 ai summary based on 28 tweets

Stories from AI users. WhatsNextForAI curates public sources. No product affiliations. Opinions are the authors.

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I gave ChatGPT Codex an article & screenshot from a famous, lost Maxis simulation, SimRefinery, and asked it to create it for me. It built a playable prototype for me while I did other stuff, never touching any code once, instead just occasionally poking Codex for small changes. https://t.co/SZi5HMAArw

The new Grok 4 Fast seems to do well with creative coding challenges ("create a visually interesting shader that can run in twigl, make it like the ocean in a storm", "make a futuristic starship panel for p5js") for a small model but not quite as great in creative language tests https://t.co/C1HZtSNbKP

Gave an image to Nano Banana (bizarre name for an AI, yeah?). Asked it to put her in t-pose, then remove background, then show me the back view & side view. It kept lightening her skin tone. Weird. Not great. That aside, it’s very smart, and works beautifully for 3D pipelines. https://t.co/znvud1Famo

Nah you're all wrong, GPT-5 is a leap I'm 100% doubling down here I didn't want to post too fast and regret it again, but it just solved a bunch of very, very hard debugging prompts that were previously unsolved (by AI), and then designed a gorgeous pixelated Gameboy game with a level of detail and quality that is clearly beyond anything else I've ever seen. There is no way this model is bad. I think you're all traumatized of benchmaxxers, and over-compensating against a model that is actually good. I also think you're underestimating gpt-oss's strengths (but yeah my last post was rushed) I still don't know if it is usable for serious programming though (o3 wasn't), but it seems so? A coding model as reliable as Opus, yet smarter than o3, would completely change my workflow. Opus doesn't need thinking to be great though, so, that might weight in its favor. For what it is worth, I only really used 3 models: - Opus 4.1 for coding - Gemini 2.5 very rarely for coding when Opus fails - o3 for everything but coding

Made more progress on my mini "vibe coding" weekend game for my kids. - Added a new lightning skill that zaps nearby enemies - New enemies that cast meteors that drop from the sky - Enemy drops crystals that gives XP for leveling up - Health orb drops that heals the player upon pick up

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! https://t.co/YuDhsK7yPN

You can now chat with any NPC in the game using AI ✨ Every NPC has a personality and memory, remembering every chat you've had with them. These chat histories are than send to OpenAI to generate their next response. If you anger them, they'll remember and threat you differently.

Snake games are a bad test of AI beca- "Claude 3.7, make a snake game, but the snake is self-aware it is in a game and trying to escape and interesting things happen as a result" This is all AI (one prompt + a request to make special things happen faster). Matrix mode at 0:55 https://t.co/1ZtlC1wIVB

I think so too I couldn't have done any of this just a year ago AI lets me be 5x faster, 10x more capable and maybe 20x more creative I can do stuff now I wouldn't even think of trying before because I got AI hand holding me every step of the way! https://t.co/1BQ5KqbOzg

IT WORKS!!!!! A FULL multiplayer with Python websockets server that receives and broadcasts all player positions every 100ms (10 times per second) All code written almost 100% by AI with Cursor and Grok 3 wrote the server code Now you can fly around with everyone else :D It'll probably crash after this tweet but let's try! https://t.co/UVJczDtWZ5 The reason before it didn't move was it was stale players that already quit and it kept their positions Every red plane is someone real flying now too! 😊

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