I built a procedurally generated pirate MMORPG using Fable.

The entire game is pretty much built using Claude Code. The procedural world generation, gameplay systems, multiplayer features, and much of the supporting game logic. One thing I found especially interesting was how compact the final output became.

The entire game is only 5MB, with no image, 3D model, or sound assets. Everything is generated through code.

The game supports up to 250 players and includes a large world with different landscapes, vegetation, thousands of items, cosmetics, animals, monsters, and ships.

Players can chat, trade, form parties, play poker and blackjack, visit shops and taverns, hunt, forage, fight monsters, participate in world events, sail, upgrade ships, install cannons, and recruit crewmates.

It is free to try in the browser at play.arrr.fun

Can you give details on how this is procedurally generated? Does it expand as players explore?

Joined the game and the random name it gave me was “Black Kidd” which I found amusing.

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