Action Browser Games Made with AI

A retro side-on biplane game in the browser: pop balloons, dive past barns and dodge airliners. The developer says Gemini Flash did the work.

Plays instantly in the browser

A free retro first-person shooter for the browser, a homage to the shooters of the 1990s: three key-and-door levels in an infested forge, five weapons and code-generated everything. The README says it was developed with Claude Code from the author's specifications.

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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

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

Plays instantly in the browser

A free open-world crime sandbox for the browser on a low-poly island, with a 31-mission campaign and eight-player online deathmatch. The developer says the AI model Astra wrote all of the code.

Plays instantly in the browser

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.

Plays instantly in the browser

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

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Tap to flap and dodge walls and enemies as a little bird pilot, then take on 11 boss battleships across a four-chapter story. The developer says AI (Claude Code) wrote most of the code and most of the 3D models.

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Two ink-splat shooting games in the browser, a 3D rail shooter that fires on the beat and a 90-second turf battle. The README credits the implementation to Claude Opus 5.5 in Claude Code.

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A free top-down 3D action roguelite in the browser: ten burning floors, six heroes, ten bosses and 270+ boons. The code was written by AI coding agents under the solo developer's direction.

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A death-metal mosh-pit game where the lyrics are flat-pack furniture names.

Plays instantly in the browser

A multiplayer race to $10K MRR in a seedy motel: hustle, steal, fight or gamble your way out.

Plays instantly in the browser

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

Plays instantly in the browser

A browser battle royale for 100 mechs on one huge map, with a squad mode in which friends crew the same giant robot. The solo developer says Claude Code built most of it.

Plays instantly in the browser

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

Plays instantly in the browser

Fly through gates, don't get caught, collect score multipliers and climb the leaderboard in a neon arena.

Plays instantly in the browser

First-person multiplayer space dogfighting in the browser, and Vibe Jam 2026's “Best Art Direction” winner.

Plays instantly in the browser

A zero-gravity team shooter: freeze the enemy squad or slingshot through the debris arena into their breach room.

Plays instantly in the browser

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

Plays instantly in the browser

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.

Plays instantly in the browser

A 1v1 voice-based platform shooter: shout to charge your weapon and knock your opponent out of their stocks.

Plays instantly in the browser

Online sword fights on a dance floor: kill the DJ, take the aux and play your own track for the whole room.

Plays instantly in the browser

A free multiplayer first-person shooter for desktop and phone browsers, solo against bots or online with up to 8 players. The developer says almost everything is code written by Claude Code, with three.js and no game engine.

Plays instantly in the browser

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.

Plays instantly in the browser

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

Plays instantly in the browser

Multiplayer robot-vacuum battles in the browser: suck up the most dirt in five minutes, ram rivals, steal their loot.

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Fly a drone over a city, shoot down waves of critters, earn coins and upgrade your gear to defend your base.

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A small pixel platformer in the browser: guide a leaf-topped sprout through three worlds, stomp beetles and find nine sun shards. The README says GPT-6 Astra built it in GitHub Copilot CLI from one prompt.

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A top-down arena shooter: survive escalating slime waves as the darkness closes in, then beat the boss and escape through the portal.

Plays instantly in the browser

Competitive online multiplayer Snake with ranked seasons, duels and team matches, rewritten in Rust 14 years after the original; the developer says AI got so good that they stopped writing code by hand.

Plays instantly in the browser

A cockpit space dogfighter in the browser, with a mission campaign and voice-chat multiplayer.

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A multiplayer dogfighter where the plane you doodle is the plane you fly.

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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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Swing through a city on a grappling rope and smash its skyline for the biggest damage bill.

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Ride a magic leaf down a hillside town as a tanuki: loops, wall runs, wire grinds, homing attacks and a runaway truck on your tail, in a 3D browser game.

Plays instantly in the browser

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

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A 2002 student space shooter written in x86 assembly, ported to C and WebAssembly with Claude Code so it plays in the browser again.

Plays instantly in the browser

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

Fly, collect orbs and battle in a neon space arena, online or offline against bots.

Plays instantly in the browser

A multiplayer shooter fought on the inside of a sphere, where gravity always pulls you toward the shell.

Plays instantly in the browser

A browser mech sandbox: pilot a 40-foot frame through a destructible city and summon swarms of wall-climbing machines to fight. The developer says everything was done in ChatGPT and Claude Code.

No download needed

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

Plays instantly in the browser

A third-person zombie shooter with anime heroines, level-up upgrades and local split-screen co-op.

Plays instantly in the browser

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.

Plays instantly in the browser

Play a giant monster and wreck a bayside city at dusk, block by block. The README says it was developed with Claude Code.

Plays instantly in the browser