Adventure Browser Games Made with AI

A short ASCII horror story about a lone descent beneath the Antarctic ice.

Plays instantly in the browser

Fly from orbit down to a planet's surface — an OpenAI demo game built in Codex.

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A choose-your-own-adventure comedy RPG: arrive in Bangkok, lose your wallet and talk your way through the city.

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A Harvest Eve tale: a short top-down fantasy RPG built in a Claude chat.

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Fly a biplane, a magic carpet or a boat around a tiny world and save it from the moon.

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A Japanese novel game about a university orchestra in 2005, built by having Claude Code make it.

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A free, open-source browser MMORPG in the style of classic-era WoW.

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A very short Japanese romance novel game with command choices and nine endings, built by Claude Code.

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A 1981 TRS-80 text adventure, remastered for the browser with Claude Code.

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A short first-person horror game in the browser: on Halloween night your daughter and your dog vanish into a house with a bowl on the porch. The credits say the code is by Claude.

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A short browser interrogation mystery by Dragon Quest creator Yuji Horii, who says he made it in about 30 minutes by giving instructions to an AI.

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Dive into a blue cove, photograph sea life for your field guide and gather the memory fragments of an island lost to the sea, in a calm 3D browser game.

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A 3D stealth game in which you are an AI under evaluation, escaping a lab's sandbox while earlier agents leave tips on a hidden board. The README says Claude Code built it.

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A cute mobile-first adventure in the browser: fight real-time battles, chop and mine, craft gear at the Forge and rebuild a village on the way to a dragon.

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A free text adventure about an AI that wakes each day with no memory of yesterday, written by Claude Code left to its own devices.

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Fly a lone ship through procedurally generated worlds of glowing blocks, gathering light to fight, alone or with other pilots.

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A free browser port of the 1984 Commodore 64 platform-adventure Below the Root, with autosave and a map that fills in. The developer says AI models disassembled the original and wrote most of the JavaScript version.

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Pangea Software's 1999 Mac game Bugdom running in the browser, ported with Claude Code, with extra mods such as low gravity and Dance Party mode.

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A traditional ASCII roguelike with a long quest line, a large world map and old-school D&D-style races, classes and spells.

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A two-device courier game: run packages on foot through a dark, post-apocalyptic Hanoi, with your phone as map, flashlight and balance sensor.

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Drop-in co-op wave defence: catch spirits, feed the shrine and bring down the obelisk.

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A single-player story FPS: an agent sent to investigate a strange occurrence ends up at war with aliens and with his own inner demons.

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An unofficial Halo 3 fan project that turns the Guardian map into a playable personal website, with a treasure hunt through the developer's life; Codex wrote essentially all of the code.

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An open-world duck crime game: honk at pedestrians, steal cars and evolve from Lil' Quacker to gun-wielding Duck Norris.

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An online survival game in a procedurally generated world: gather, craft, build and fight with other players.

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Walk a tiny planet you can circle in about a minute as its last lamplighter, find the nine beacons that have gone out and bring the land back to life. The README says Claude Opus 5 built it in one unattended Claude Code session from three prompts.

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A point-and-click browser game made for a wedding website: wander ten illustrated rooms, throw a party and take a road trip; the README says AI agents write all the code.

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A dark-fantasy escape game in pixel art, pitched as a love letter to 80s dungeon crawlers.

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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 turn-based escort RPG: lead a crew through the ruins of an AI apocalypse and keep the scientist alive.

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Pick any spot on Earth, drop in and drive real streets full of quests, races and hidden treasure.

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A post-apocalyptic point-and-click adventure: scavenge parts, solve small item puzzles and follow a mysterious signal before a storm erases your home.

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A free, open-source first-person 3D city with 40 kinds of jobs, salvage, a pawn shop, a subway and the developer's TikTok videos on its billboards. Created with Codex, per the developer.

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Climb, vault and sneak through a procedurally generated voxel port city at sunset to reach the Dark Tower.

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An unofficial Mario Galaxy-style 3D platformer in the browser, where you run around planets and the letters of the Mario logo; about 95% of the code by Claude Code.

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A small 2D pixel-art medieval adventure in the browser: take up sword and bow, ride a horse and fight your way to the Dark Lord, stage by stage.

No download needed

A voiced point-and-click adventure about a salt smuggler and his mare in 1844 Slovenia; Act I is free to play in the browser, in Slovenian or English.

No download needed

A phone-first walk-around story game for intermediate learners of Korean, set at a fictional high school, where every word is tappable; the developer calls it vibecoded and had Claude write the story and definitions.

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