Endless cozy procedural world

A sandbox game 🥔🥔🥔 built with Claude Opus 5.5. Copy the exact prompt free.

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by 🥔🥔🥔 (@argofowl)FreeOpus 5.5 game prompts

@argofowl built this with Claude Opus 5.5 and shared the full prompt on X; it is quoted below word for word. opus 5.5 extra high "create a new project in my projects folder called "endless-game": an endless, procedurally generated world built with three.js in the browser that i can roam freely and just enjoy. every area should be randomly generated, with surprises everywhere no matter how long i play. it should feel calm, relaxing and genuinely fun, like the cozy, satisfying vibe of a supermarket simulator, but it shouldn't be a supermarket game. i want a really interesting world to walk around in, with entities i can meet and interact with, and really cool graphics. set a clear goal for the project The original post had 22.6K views.

The prompt

create a new project in my projects folder called "endless-game": an endless, procedurally generated world built with three.js in the browser that i can roam freely and just enjoy. every area should be randomly generated, with surprises everywhere no matter how long i play. it should feel calm, relaxing and genuinely fun, like the cozy, satisfying vibe of a supermarket simulator, but it shouldn't be a supermarket game. i want a really interesting world to walk around in, with entities i can meet and interact with, and really cool graphics. set a clear goal for the project, keep working until you reach it, and play a sound chime when it's done and ready for me to play and test.

Prompt by 🥔🥔🥔 (@argofowl), quoted word for word from the original post. Model as stated by the creator; your result will differ.

What’s inside

  1. Copy the prompt below, or download it as a SKILL.md
  2. Paste it into Claude Opus 5.5, ideally in Claude Code so it can write, run and test the game
  3. Swap in your own theme, characters or rules where the prompt names theirs
  4. Play it, then ask for fixes and polish in plain words

What you’ll bring

  • Claude Opus 5.5 (Claude Code, or a Claude chat for single-file HTML games)
  • A browser to play the result
  • Your own twist on the idea, if you want one

What you’ll get

  • A playable browser game in the spirit of the one above, written by Claude
  • The code, which you can keep editing

Perfect for

  • Anyone who wants to make a game without coding
  • Developers testing what Opus 5.5 can build
  • Teachers and parents making a game with kids

Also found as

opus 5.5 game prompt · claude game prompt · one shot game prompt · sandbox · endless cozy procedural world

Questions

What is Endless cozy procedural world?

Endless cozy procedural world is a sandbox game that 🥔🥔🥔 (@argofowl) built with Claude Opus 5.5. This page quotes the prompt they shared, word for word.

Who made it, and where was the prompt shared?

🥔🥔🥔 (@argofowl) made it and shared the prompt on X: https://x.com/argofowl/status/2102529695908806728. You can find more from them at https://x.com/argofowl.

How do I use the prompt?

1. Copy the prompt below, or download it as a SKILL.md. 2. Paste it into Claude Opus 5.5, ideally in Claude Code so it can write, run and test the game. 3. Swap in your own theme, characters or rules where the prompt names theirs. 4. Play it, then ask for fixes and polish in plain words.

Is it free?

Yes. Copying the prompt and downloading the SKILL.md costs nothing on Omo. You run it with your own access to Claude Opus 5.5.

The video and the prompt belong to 🥔🥔🥔. Omo lists them free, with credit and a link to the original post. Creators can ask us to remove a listing at omo.space/support.