Simulation Games Made with Claude Code

Design road networks in 3D to keep a growing city moving.

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Mow lawns in the hills west of Tokyo in the summer of 1973, in a quiet job sim where the sun drains you and the shade recharges you.

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A cozy desktop train that moves along the bottom of your screen as you type.

Download required

Balance stacked cargo on a delivery robot across a ruined 3D world, in the browser.

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An incident-response adventure played with real Linux commands, coded entirely by Claude Code.

Download required

A cozy browser life sim about working remotely while moving between cities.

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A cosy farming sim about growing a giant pumpkin for the October weigh-off.

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A sci-fi fleet auto-battler above Earth, scripted in Godot with Claude Code and Codex.

Download required

A browser simulation game whose code was largely written with AI tools such as Claude Code and Codex.

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Found a murim sect on an unclaimed mountain, raise its disciples and step into a hand-controlled ink-drawn arena fighter yourself.

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You are the dungeon: dig deeper, fill your halls with monsters and traps, and outlast the adventurers who come for your Core.

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A free feudal sci-fi sandbox strategy RPG for the browser: lead a minor noble house across a living campaign map and fight real-time squad battles. The developer says Claude Code writes the code.

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Tap machines to make screws, grow a factory and launch rockets across six stars in this free browser idle clicker; its developer says Claude Code implements it and Codex reviews.

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A five-minute satire of the AI-written workplace: as COO you decide which company texts to ship unread and which to fact-check before they go out. The developer says the code was written with Claude Code.

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An incremental fishing cove on a rock in the sea: haul lines, hire a crew and grow it up to the lighthouse.

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Load cars onto a seven-car carrier trailer step by step, made by a working car-carrier driver who says Claude Code writes nearly all of its code.

No download needed

A free roguelike about one action, naming a price: haggle over sneakers from a Chicago block all the way up to billionaires. The developer says Claude Code wrote all of its Rust.

Download required

Drive trains on a fictional 40 km railway line in this free Windows beta; its solo developer says almost all of the Unity code was written with Claude Code.

Download required

A pixel-art tram driving game on Amsterdam's tram line 2: stop on the mark, keep to the limits and enjoy the views. The poster says Claude Code did all the work, from the code to the sprites.

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A Factorio-like factory game for the Nintendo DS, from cutting the first tree to launching rockets; the developer wrote the design and Claude Code wrote most of the C.

Download required

A free multiplayer brick-building world in the browser: build brick by brick on a shared map, then drive, fly, ride the bus or race. The developer says it was built with Claude Code (Opus 5.5).

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A free 2D roller-coaster sandbox with physics: draw the track, hit play and see whether the train makes it. The developer says it was vibecoded, first in Claude chat and then in Claude Code.

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A free browser demo of a pixel-art lizard ranch: stun and bag wild lizards on short runs, then sell them or breed them for rare inherited patterns. The developer says Claude Code wrote the code, with the demo built in one day.

No download needed

A free idle game about growing a tiny contract software shop into a listed company, with Brooks's law from The Mythical Man-Month built into the rules. The developer left the implementation to Claude Code.

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A 1920s fishing and exploration game around an uncharted archipelago: chart the islands, fill the hold and get home before the rum-runners come out after dark. The developer says most of the code was written with Claude in Claude Code.

Demo available

Stack everyday household things as high as you can from a five-year-old's eye level; its developer says Claude Code built it almost on its own in two days.

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Rake sand and set stones in a Japanese garden whose seasons follow the real calendar; its developer says no human wrote any of its code.

Download required

Run an AI lab in a turn-based race to superintelligence, and gamble on alignment at the end.

Mobile app

A one-button orbital-mechanics game: chain gravity assists around real planets to escape the solar system before your fuel runs out.

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A pixel-art beat-making RPG: produce beats in cities around the world, get reviewed by local critics and earn each city's sound-system rig.

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Paddle into massive waves, carve across the breaking face and collect stars before the foam swallows you.

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Craft drinks, serve customers and grow a cozy corner café into a café empire.

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A top-down 3D space game in the browser: build your ship from parts on a grid, mine, trade and fight pirates in an endless universe. The developer designs and decides; AI coding agents (Claude Code) write the code, art scripts and music.

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A retro office mystery about a 2001 helpdesk job, ticket deadlines and a support call from a seventh floor the building does not have.

Demo available

A free multiplayer meme game in the browser: drive, boost and fly a sports car through stunt courses, highways and a neon city. The developer says Codex with the model Astra did most of the work, and Claude Code polished the graphics.

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A free pixel-art idle survival game in a French valley overrun by the dead: pick what your survivor does and they keep at it while the game is closed. The developer says Claude Code wrote most of the code.

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Pick one of seven cars and drive a procedurally generated coastal city with simulation-grade physics, police chases and a helicopter at three stars. The README says Claude Opus 5.5 wrote it in Claude Code and nobody edited the code by hand.

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A cockpit space dogfighter in the browser, with a mission campaign and voice-chat multiplayer.

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A first-person sim in which you run a video game store in a 1995 shopping mall, from haggling over trade-ins to surviving a midnight launch. The developer says almost all of it was written by Claude Code.

Demo available

A very small turn-based 4X in the browser: two workers, a 5×5 board and 15 technologies, racing a CPU city for food, production and gold. The developer made the design decisions and left the implementation to Claude Code.

Plays instantly in the browser