No-Engine HTML5 Games Made with AI

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

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A top-down 2D browser racer with time trials, online races and global leaderboards, and Vibe Jam 2026's “Most Portal Transfers” award.

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A traditional browser roguelike made with Claude Code by a Japanese novelist.

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Tilt the board to roll a rock into the leak before the village floods, without knocking the villagers over.

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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 cyberpunk 2D platformer in the browser, coded in a day with Claude Code.

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Somewhere you can't quite leave. Choose a way through.

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

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A small turn-based auto-battler in the browser, built by GPT 5.5 in Codex.

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

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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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A real Famicom/NES game about running a chip fab from 1971 to AI superintelligence, wrapped for phone browsers. The developer says it was built entirely inside the Codex app, and lists Codex on the team.

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Pour one bottle of champagne evenly across a table of glasses, by eye and against the clock, before the toast.

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A slingshot fire puzzle: throw four kinds of torches at towers full of pranksters, and keep the marshmallows golden.

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Ships only see what you light: steer a lighthouse beam to bring them past the rocks through seven stormy nights.

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A 35-second steering game: lead a torch-carrying mother duck and a growing line of ducklings through the park to the pond.

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A swipe-to-swing physics game: knock the blocks out of a torch-lit tower without letting the head fall.

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A step-by-step first-person dungeon crawler where your torch is both your light and your clock.

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A one-button arcade game about letting go of your orbit at exactly the right moment.

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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.

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A turn-based Halloween stealth puzzle: lure the homeowners away, take every candy bowl and get back to the gate.

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A one-minute phone game about stamping five approvals on a fictional request form, each tilted in a bow toward the president. The developer says the code was written with OpenAI Codex and Claude Code.

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A torch-and-mirror puzzle in the browser: rotate mirrors, wake every lantern and bring the signal home across three boards.

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A free top-down stealth game for phone browsers: raid a street's trash cans as a raccoon and get the sack home before dawn. Made by one person with a team of Claude Code agents.

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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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Heat the metal, strike at the right instant, and forge five bells for one final chord.

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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-button arcade roguelite: throw one shuriken, bounce it off four walls and stack relics until a single throw clears the room. The developer says Claude Code writes the code.

Download required

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 dark-fantasy command RPG in which even “Fight” and “Run” are drops you take from enemies, slot, merge and upgrade, made in six hours with Claude Code.

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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 daily seven-question trivia game in which the clock halves after every question, from 60 seconds down to 0.94; the FAQ says “Karol Gajda dreamt it, Claude Code coded it.”

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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 daily logic puzzle: place rooks, bishops and knights so every numbered square is attacked by exactly that many pieces. The solo developer says the code was almost all written by Claude Code.

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A free roguelite card game for phones: beat duelists on an island, take their cards and rebuild your 20-card deck.

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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 text-based gladiator management sim with programmable fight plans, procedural loot and permadeath PvP tournaments, coded by its designer's own AI agent harness.

Download required

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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A free browser idle game about buying Chinese-character components and placing them so neighbours form characters; built in an afternoon with Claude Code running DeepSeek v4 Flash.

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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 Chinese-character deckbuilder on Steam: assemble character components on a 3×3 board and chain Five Elements skills; the developer says it was purely vibe-coded with Codex CLI and GPT models.

No download needed

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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A one-click physics puzzle in the browser: drop iron balls from the surface and dig down by breaking blocks. A first game, which the developer says AI coded entirely in about six hours.

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A tiny browser shooter where you are the formation at the top firing down on a lone enemy; the developer, who says they cannot program, had Gemini CLI write it.

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Fly a UFO and beam up humans, cows, cats, dogs and sheep in a desktop browser arcade game made by a parent and two daughters.

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A free top-down squad shooter in the browser after Cannon Fodder: six men, one hit each, fifty missions.

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A free pixel-art ski jumping game for desktop and phone browsers, with a daily jump in the same wind for everyone and a World Cup that follows the real calendar. The developer says it was built with Claude Code.

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A card-and-board duel on a 5×5 grid where cards name the piece you move and both sides reveal at once; its developer says Claude Code built the trial version in about three days.

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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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