Make and play AI games on Fifth Door

Fifth Door is a platform for making and playing games made with AI.

Describe a game in plain words and an AI builder makes it. Keep changing it by chatting with the builder, then publish it.

Every game runs in the web browser and has its own link, so anyone can play it from a shared link.

Developers can build a game in their own editor with Claude Code, Cursor or Codex and publish it to Fifth Door with the Fifth Door MCP server. See Publish from your editor.

Games to play

• Gauntlet: Unbridled Violence by @backinajiffy: Pick one of six heroes, carve through two realms of tyrant-held lands, level up, claim ultimates, and face the Hidden Lord, an underworld god. Bring friends.
• Crownfall by @Bellaziel: Ride as a Lord, gather gold, raise a swarming war-host, topple rival Lords to steal their troops, and storm the skeleton-guarded Skull Keep.
• REV Spirit by @Kapouet: A PSX-style car collector's racing sim. Pass license tests, buy and tune your car, and race 6-car grids for credits and prize cars.
• Rug or Riches by @hello-its-joe: A neon memecoin casino parody: pay 5 Keys to mint a ridiculous coin, pump it like a maniac, and cash out before you get rugged, exposed, or accidentally legit.
• My Grillfriend Can't Be This Hot! by @AtticWizard: A classic anime dating sim, played completely straight, except every heroine is a barbecue grill. You have twelve days until the Summer Cookout to win over the…
• GRILLFRIENDS by @AtticWizard: A gacha game where every waifu is a barbecue grill. Summon from 64 lavishly drawn, fully voiced anime grills — from Foil-chan (one afternoon only) and Heikin-k…
• Emoji Rebus Rush by @Games0ver: Decode emoji puzzles against a ticking clock. Tap letters to spell the answer, bank seconds for every solve, and see how far you get on three strikes.
• Tumbleblock by @Jonathan: Tip a tall stone block end over end across floating tile grids and drop it upright into the hole. One wrong roll and it's gone.
• Superlative Dungeon by @RigoJMortis: ERA II: THE DUNGEON WAKES — the dungeon now reads your power. Heavies take a share of your health and hunters come for you, and how you play still names you.
• Stagger by @musiccraty: You left the bar. Home is somewhere out there. Hop block by block through an endless neon city, dodge the taxis, and try to beat your best.
• Skywrath by @musiccraty: You are the storm above the desert. Mortals stream from their camps in ever-thicker columns to raise a spire to your heavens — hold them off with rock, bolt, s…
• Roll-a-dillo by @hello-its-joe: Can you navigate the desert and collect every gem?