Browser Games Made with Claude

Be born as a random person somewhere on Earth and live their life, year by year.

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A calm spot-the-difference game played on two procedurally grown 3D trees.

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

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A turn-based dark fantasy RPG in the afterworld, with code written by Claude Code.

No download needed

A Warcraft 2-inspired fantasy RTS that runs free in the browser, built with Claude.

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

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A free Unity browser game that its developer says AI designed and coded in about two weeks.

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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 hard, fully deterministic retro monster-taming RPG on Steam, built around a battle AI that plans several turns ahead.

No download needed

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 free survivor-like played in one dimension with two buttons: walk left or right to shoot, chain short and long presses into combos and outlast waves of enemies and bosses. A LittleJS Jam 3 entry whose developer says almost everything but the concept was done by a Claude coding agent.

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Go with ordinary rules, where capturing more stones at once sets off bigger effects; the developer says Claude built it from requests, in about two days to the first public version.

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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 calm block puzzle with gravity where every level's three-star target is a proven minimum number of moves.

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A one-button survival game: steer a little “I” away from moving shapes for 60 seconds; its developer says Claude Desktop built it in a day through a Unity MCP server.

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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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A free multiplayer browser game about cats with propellers on their paws, brawling for catnip over tropical islands. The developer says the main tools were the Claude models Opus 5.5 and Fable.

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SimCity 2000 rebuilt for the browser in low-poly 3D: Claude Opus 5.5 translated the original Mac game's decompiled code function by function.

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A free-for-all multiplayer FPS in the browser, built by a father with Claude while his kids acted as product managers.

No download needed

A retro maze game about phone addiction: reach the goal while dodging the notifications that drain your willpower.

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A one-file browser drift game scored on angle and on how close to the edge you hold the slide, with a new road every day for everyone and a ghost of your last run to beat. Made with Claude Opus 5 through chats and Claude Code, the developer says.

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An unofficial browser tribute to Elite (1984): trade, jump, dock and fight across the original 2,048 seeded worlds in wireframe. The developer says Claude and other coding agents did all the work, without the developer ever looking at the code.

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A free daily endless-descent ball game with ten sliders for steepness, width, obstacles, speed and camera. Posted as “Slope remade in HTML5”; the developer says Claude Opus built the whole thing.

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A free cozy boba café game in the browser: a short rush of orders, a calm evening of decorating, and one last customer each night with a story. The developer says Claude produced all the code.

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A daily taxonomy puzzle: place one species in the tree of life, rank by rank, with 10 seconds per choice; the developer says it took three afternoons of vibe-coding with Claude.

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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 free browser arcade of small original games, from a bubble shooter and a brick breaker to a kart racer and artillery duels, playable offline on a phone.

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A PlayStation 1-style souls-like with seven bosses and two-player online co-op, playable in the browser. The developer says the game was generated by Opus in an afternoon.

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A free online RPG in the browser and on iPhone: six classes, five towns to free from the Legion and named beasts to hunt with other players. The developer calls it a vibecoded MMO made with Claude.

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A SimTower-style tower builder rebuilt around democratic socialism: you are the elected steward, and confidence is the score.

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A tiny swipe puzzle: slide the squishies over springs, ice and portals until every one lands on its heart.

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Guide crude oil through a real refinery, from pump jack to tanker, in a short educational browser game by a chemical engineer.

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A one-button, NES-style top-down stock car racer in the browser: hold to dive inside, release to drift high. The developer says 100% of the code was written by Claude Fable 5.

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A real-time strategy game on the Ukrainian steppe in 1648, in one browser tab: raise a Cossack town, train pikemen, musketeers, horsemen and field guns, and burn the rival town halls. The README says the code was written by Claude Opus 5.5.

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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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A Korean browser defense game: summon and combine units to hold back 25 waves of monsters.

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A free 3D xianxia action RPG in the browser, in a blocky Minecraft-like style: fly on your sword through an endless wilderness and cut giants down at the nape. The developer says Opus 5.5 wrote the code, a little over 10,000 lines of three.js.

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