I built LLMpostor, a reverse Turing test. It’s a multiplayer guessing game where humans try to pass as robots. Players answer prompts alongside LLMs, and everyone votes on who they think the robot is. I built this as an ice breaker for an AI on-site for work.
The source is on GitHub.
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- ---
title: LLMpostor
description: A reverse Turing test multiplayer online game
author: Greg
layout: post
date: 2025-09-03 12:00:00 -0400
permalink: /2025/09/llmpostor/
categories:
- technology
- creative
tags:
- ai
- llm
- coding
- games
- ---
I built [LLMpostor](https://LLMpostor.com), a reverse Turing test. It's a multiplayer guessing game where humans try to pass as robots. Players answer prompts alongside LLMs, and everyone votes on who they think the robot is. I built this as an ice breaker for an AI on-site for work.
The source is on [GitHub](https://github.com/gregology/LLMpostor/).
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