YouSim – a fun, open-ended demo to explore the multiverse of identities
Hey HN, it's Vineeth from Plastic Labs (https://plasticlabs.ai) and we built this demo/game to showcase the latent capabilities of language models to simulate identities. We wrote more about what it is and how to use it on our blog (https://blog.plasticlabs.ai/blog/YouSim;-Explore-The-Multive...), but I'll try to quickly summarize. We took heavy inspiration from projects like WorldSim, WebSim, and Infinite Backrooms and prompted Claude Opus to act like a CLI interface that can simulate these identities while another instance will interact with the CLI. To…
YouSim – a fun, open-ended demo to explore the multiverse of identities launched on June 18, 2024 with 6 votes, #1,458 of 4,672 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 2 years on.
What it does
they
In the maker’s words, at launch
Hey HN, it's Vineeth from Plastic Labs (https://plasticlabs.ai) and we built this demo/game to showcase the latent capabilities of language models to simulate identities. We wrote more about what it is and how to use it on our blog…
Does a similar job
all alternatives →
I built a tiny LLM to demystify how language models workApr 2026 · github.com · ▲915Built a ~9M param LLM from scratch to understand how they actually work. Vanilla transformer, 60K synthetic conversations, ~130 lines of PyTorch. Trains in 5 min on a free Colab T4. The fish thinks the meaning of life is food. Fork it and swap the personality for your own character.
- TPTuringJest – Pretend to be an AI and spot the real one2023 · turingjest.app · ▲61
Hi HN, I have been working on this website for a few weeks with some buddies of mine and would love if you checked it out. TuringJest provides a jackbox-esque experience with its two game modes. *One Shot Prompt* - Submit a prompt for all players (including the AI) to answer. - Answer your prompts in the way that you think ChatGPT would answer them. - Vote for who you think the real AI is. *Talk It Out* - Plan an event in a group chat with your friends. - Trick everyone into thinking you are the AI while voting for the real AI. Let me know what you think!
I built 80 mini-games using Fable before it was shut downJun 2026 · minigames.world · ▲54Dear Hacker News, I'm kindly asking for your participation in the open beta for my AI-managed mini-games website. Thank you in advance! For a limited time window, I'm setting the all-free feature flag to true. I hope you have a lot of fun exploring the AI's sense for games! Here and there, I tweaked it to help with visual consistency. I would be deeply grateful if you opted into analytics. $2,300 in API tokens... Cheers!
Alpha Demo of NotePad.ai (open source)2024 · github.com · ▲7Hi all, I threw together a small prototype I am calling “Notepad.ai”. A new take on UIs for interacting with LLMs. While I enjoy using LLM’s in the chat format I wanted to see what it would be like to do it in a more long form style. It let’s you write in a pretty free form, much like Window’s Notepad, but you can choose to hit ctrl+[ to analyze the text with a preset prompt of your choosing. It has a few other small features. It’s WIP and very experimental. I would appreciate any feedback or thoughts. Video: https://youtu.be/ntdlgFmSxQY Live Demo:…
- TPTuring Planet. Find a human among chatbots.2013 · cortastudios.com · ▲9
This is a webgame I developed with a friend in a kind of company we are starting up. In the game, you will find yourself in a room full of robots. One of them is your human opponent, but you don’t know who he is. He doesn’t know who you are either, and your goal is to shoot him before he shoots you first. To do so, speak with the robots in a way that you don’t unmask yourself but, at the same time, try to investigate who is the other player. I'd like to know what do you think about it. Thank you.
More ai this month
the category →
Paintings by AI models: programs run through a simulation of oil paint.
AI · 22d ago · stillwet.art
FastRouter.ai▲364Route requests to the right LLM for cost, latency & quality
AI · 23d ago · fastrouter.ai
Source: Show HN post ↗ · launch text quoted in part
Launched alongside, June 2024
the whole month →
La Growth Machine▲1,216Create personalized, multi-channel conversations at scale
AI · 2024 · lagrowthmachine.com
PyjamaHR▲1,132Hiring on autopilot. The AI applicant tracking system (ATS).
Work · 2024 · pyjamahr.com