No-Engine HTML5 Games Made with Claude

A top-down pixel-art RTS about destroying the enemy pyramid, vibe coded with Claude.

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

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One button, eleven worlds: tap the glowing-eyed worms possessing your house before they tunnel away.

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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 joke browser game with four modes about sperm racing to the egg, from 120 obstacle stages to a 90-second survival arena; the developer, who had never coded, says Claude wrote it as one HTML file.

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A laser tower-defence game for GameDev.tv Game Jam 2026: bend a single beam of light with reflectors to burn enemies on their way to your base. The developer set out to make it without writing a line of code.

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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 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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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 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 small strategy puzzle about guiding vegetation through a dying world: place your tools, run the cycle, and reset if it fails.

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Three AI models given the same prompt to build a Suika-style fruit-merging game, playable side by side, first tries and fixes untouched.

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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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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 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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