Action Games Made with Codex

A free wuxia survivors-like roguelite whose solo developer says most of the code came from Codex and Claude Code.

Download required

A brick-breaking roguelite in pixel art, coded with help from Codex and Cursor.

Download required

Shopping-cart racing at rocket speed through a haunted supermarket — second place at Vibe Jam 2026.

Plays instantly in the browser

Two pet rats try to find their way home through a rainy city.

No download needed

A short 2D platformer demo built with Codex CLI and no hand-written code.

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A side-scrolling pixel bullet hell whose code was generated by Codex.

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A browser platformer built in one evening inside an OpenAI Codex session.

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The Raccoon Heist prompt, rebuilt by OpenAI Codex.

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A Survivors-like action roguelite whose game and engine code the developer says AI wrote.

Demo available

A short vertical-scrolling shmup whose code, art and music were made by Claude and Codex.

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id Software's Quake, ported to JavaScript and Three.js with Claude Code.

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A top-down action game where your torch is shelter, bait and weapon: throw it, leave it burning, then recall it through the shadows.

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A one-finger, portrait loot roguelite for phones: a delivery robot works the night shift in a closed shop; a beginner developer directed mainly Claude Code, starting from an existing codebase.

Mobile app

A free first-person team spellcasting battle in the browser: three orders of mages guard their shrines and try to break the others'. The developer says Claude Code writes almost all of the code.

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A short 3D action prototype in a ruined sky temple, made in one day by Codex as a test of building a Unity game from natural-language instructions.

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A one-thumb space survival shooter for iPhone: drift through 100 sectors, evolve your weapons and decide when to bank your haul.

Mobile app

A 3D browser roguelite: a small brass machine with a sword, a gun and a laser cuts its way out of a castle-machine.

No download needed

Clay cavemen fight, gather resources and race to haul them back to their caves first.

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Fast drone combat in escalating waves, with boss waves, missions and a hangar of permanent upgrades between runs.

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A surreal office shooter: a burned-out worker blasts a way out of a collapsing corporate nightmare.

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A small 2D side-scrolling souls-like demo in the browser, with grappling, a day-night cycle and a built-in map and body editor. The developer says it is mostly coded with AI agents (Codex and Claude).

No download needed

A reverse Moby-Dick: you are the whale, rising from the deep to break the whaling fleet.

Plays instantly in the browser

Toddlers brawl over the TV remote in a giant living room, and nap time is 90 seconds away.

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Play a pirate in 1691 and turn the Caribbean's richest city into chaos with ten brutal weapons.

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A free, open-source survivors-style roguelite starring a cockroach in the sewers, playable in the browser or as a desktop app. The developers say they built it together with Claude Code, Codex and Copilot, spending most of their own time on design and testing.

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A Descent-style ship crawler with stealth and roguelike levels, deep inside a hostile asteroid.

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A satirical pixel-art survivor shooter in which caricatured tech founders fight their way to a rogue AI.

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A fast parkour movement shooter with a speedrun gauntlet and a mission where you call in your mech.

Plays instantly in the browser