Two walkable Indian cities
A sandbox game Shardul built with Claude Opus 5.5. Copy the exact prompt free.
@pracosm built this with Claude Opus 5.5 and shared the one-shot prompt on X; it is quoted below word for word. I AM BLOWN AWAY Left Opus 5.5 running overnight with one instruction: build me two Indian cities I can walk around Woke up to Mumbai's Western line and Bengaluru's purple metro, each on its own tiny planet with NPCs, trains & autos you can ride. The original post had 247.3K views.
The prompt
build me two Indian cities I can walk around
Prompt by Shardul (@pracosm), quoted word for word from the original post. Model as stated by the creator; your result will differ.
What’s inside
- Copy the prompt below, or download it as a SKILL.md
- Paste it into Claude Opus 5.5, ideally in Claude Code so it can write, run and test the game
- Swap in your own theme, characters or rules where the prompt names theirs
- 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 · two walkable indian cities
Questions
What is Two walkable Indian cities?
Two walkable Indian cities is a sandbox game that Shardul (@pracosm) 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?
Shardul (@pracosm) made it and shared the prompt on X: https://x.com/pracosm/status/2103387804281745459. You can find more from them at https://x.com/pracosm.
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 Shardul. 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.