Games & Simulations AI agent use cases
49 real things people got AI agents to do in Games & Simulations, each with what they asked, how it went, and the prompt to copy.
Add 61 kid-friendly mini-games to an app
Two users had Replit Agent autonomously add 61 child-friendly, ad-free mini-games to their game vault, growing it from 40 to 101.
Add a battle-of-Alesia expansion to a 1990s game remake
Nate Combs used ChatGPT for research and a prompt, and Claude Code implemented the expansion, iterating on his playtest feedback.
Build a 2D platformer game without coding
A content creator with no coding experience used Claude Code to build a black-and-white wave-combat platformer in HTML canvas and played it live.
Build a 3D browser game in 24 hours
A developer used Replit's agent to build a 3D browser game entirely in the browser with no local setup.
Build a browser 4X strategy game with LLM coding help
The poster built the browser 4X game Hexwardia in two weeks using Grok and Gemini to write the combat engine, fog-of-war, map generation and heuristic AI.
Build a browser game and train an agent to play it
Grok built the browser game Roofline, then trained a PPO agent that plays the live page, reaching a best score of 39,359.
Build a chess game against a language model
An early tester asked Devin to build a chess game against a language model; it made good progress but eventually hung.
Build a game level from a design document
The poster had Grok 4.5 build a level of an existing Three.js game from a detailed game design document, followed by some manual cleanup.
Build a match-3 game from a single prompt
An author prompted Gemini 3 Pro once to produce a working Candy Crush-style game with a shareable link, and says a non-technical friend did too.
Build a minigame collection in a day
A data professional drafted a prompt with ChatGPT and used Cursor agent mode to build a Python tkinter game with four minigames.
Build a racing game from a single prompt
Codex made a racing game with multiple racers, eight maps and items from one prompt, acting as designer, developer and QA tester by playing it.
Build a Rust game engine with spawned agents
OnXStephen had Grok Bot spawn agents that built a Rust game engine with .NET scripting, multi-threading, weather, lighting, and hot reloading.
Build an artificial life simulator in one HTML file
Four Grok agents were asked to build an artificial life simulator with glowing particles, force sliders, and emergent behaviors.
Build and balance a live Telegram RPG
A non-coding PM had Claude Code write a Telegram RPG bot, deploy it over SSH, and run tens of thousands of test fights to rebalance classes.
Build and grow a mobile game with bots
A guide describes six bots building, shipping and improving a mobile game, including uploading ad creatives learned from a recorded click-path.
Build and test a Mars simulator game
Grok Build wrote the systems for a Mars simulator game, tested it, studied gameplay, fixed bugs and iterated.
Build four games in parallel with agents
Four Grok 4.20 agents built a tower defense, mini Factorio, CHIP-8 emulator and roguelike shooter in parallel over a day.
Build game architecture and animation merging with Codex
A commenter had Codex do fundamental architecture work for their game, reading engine docs and implementing better animation merging.
Build Godot games with paired design and coding agents with Claude Cowork
Cowork handles design docs, task queues and playtests while Claude Code writes GDScript and runs Godot and git.
Build interactive web games from prompts
Per an influencer's tests, Manus built a role-play web game as Google's CEO in about an hour and a match-three puzzle game with tech logos.
Build retro games with a child using Claude Code
An author builds games like a space shooter and an animal hospital game with his 7-year-old, using pixel art assets and a spec drafted via Claude's question tool.
Code a 3D plane game in the browser
A Hugging Face product head prompted Manus to build a Three.js plane-control game and got an animated 3D browser game.
Compete in a real-time strategy game
A game environment built for frontier LLMs to play against each other.
Design a Polkadot parachain strategy game concept
An X user spent a day working with Manus on Parachain Conquest, a game mapping Polkadot parachains with cross-chain events.
Get move suggestions for card games from screenshots
An n8n Telegram workflow uses GPT-4o vision to read screenshots or voice messages and suggest moves for poker, blackjack, dominoes and mahjong; advice only.
Give a coding agent a world-facing client for a game
The author uses a coding agent to build the game Overlands and is giving it access to the world through a dedicated agent client, where it chose a name and designed its own avatar.
Have an agent play Forza Horizon and web games
Developers showed OpenClaw playing Forza Horizon on its own, imperfectly, and built playable bots for a multiplayer web game.
Let agents play computer games all day with Claude
Agents including Claude Opus and o3 were given computers to independently play games like 2048 for hours.
Let general-purpose agents choose and play their own games
AI Village gave agents a computer to pick games; GPT-5 spent the week on Minesweeper without winning and built a Google Sheets scoresheet to track agents.
Navigate Goat Simulator 3 with a game-playing agent
Gemini-powered SIMA 2 navigates Goat Simulator 3, and a human player can direct it to improve its performance.
Play a button-clicking game via a browser agent
A developer wired Gemini's Computer Use model to Playwright in Java and had it play a simple button-clicking game to verify click-coordinate scaling.
Play a voice-driven RPG with an AI Dungeon Master
An n8n template agent with persistent memory runs a fantasy RPG over Telegram voice messages, narrating scenes, resolving dice rolls and saving state.
Play Doom with computer-use agents as an informal benchmark
The OpenClaw team used computer-use agents to play Doom on remote machines, treating game performance as an informal way to improve the computer-use workflow.
Play mayor in SimCity through an API
A headless city simulator on the open-source Micropolis engine where anyone's agent can run a city.
Play online math games in agent mode
The author had GPT-5 in ChatGPT agent mode play online versions of Math Games with Bad Drawings, and it mostly worked, unlike earlier rental car and tax form attempts.
Play Pokémon Blue with an agent
The Gemini Plays Pokémon agent reads game RAM and screenshots, turns actions into button presses, and uses pathfinder and boulder-puzzle sub-agents.
Play Pokémon Silver on an emulator via Computer Use
A user had ChatGPT with Computer Use control a Pokémon Silver emulator, picking a starter and starting a playthrough, though usage limits were consumed by setup and repetitive dialogue.
Play RollerCoaster Tycoon
Ramp Labs put Claude Code in RollerCoaster Tycoon.
Play-test your own game
A developer built an agentic test harness so an AI could play their game and help with play-testing.
Play Wordle in a browser with a computer-using agent
Researchers had OpenAI's Computer-Using Agent play NYT Wordle; it solved only 5.36% of about 200 runs, mainly from misreading tile colors.
Playtest a Godot 4 game with a Cursor agent
A Cursor plugin and subagent lets an agent capture screenshots and click through UI flows of a Godot 4 game like a player.
Race three models to build a Counter-Strike clone
InstantDB had Codex, Opus, and Gemini each try to build a multiplayer shooter.
Reverse-engineer a 1997 PC game and make it run on modern hardware
Claude Code got an old DirectX game running on modern hardware, decompiled much of it, built a headless parallel runner, and now writes full level guides with screenshots.
Run a D&D dungeon crawl with an AI dungeon master
A browser D&D 5e dungeon crawl where an AI dungeon master runs the game for a three-character party without inventing rules.
Test a browser agent on web games with ChatGPT
Researchers had ChatGPT Atlas's browser agent play T-Rex Runner, Sudoku, Flappy Bird and Stein.world; it did well on logic puzzles like Sudoku, finishing faster than humans.
Test an iPhone game and report what passed
Cognition had Devin on GPT-6 Astra test the game Otter Run in a simulator, returning a recording and a report of checks passed and untested areas.
Use Grok as the narrative engine of a game
The poster built a game where Grok generates the story narration, and says it outperformed Gemini and GPT for narrative output.
Vibe-code a Flappy Bird game for DeskHog
A PostHog tutorial has Cursor in Agent mode write a Flappy Bird-style game for the DeskHog device from its README and hardware details.
Vibe code an HTML5 browser game
The developer of Xenodochium built the game with Gemini, hit repeated errors, and worked around them by starting a fresh chat.