---
name: opus-5-5-game-fallout-new-york
description: "Use when you want a game like @chrisfirst's \"Fallout: New York\". Runs their exact Claude Opus 5.5 prompt."
source: https://x.com/chrisfirst/status/2104644598626934858
prompt_source: https://x.com/chrisfirst/status/2104644598626934858
author: "Chris First (@chrisfirst)"
model: claude-opus-5-5
---

# Fallout: New York

A free prompt from the Omo "Opus 5.5 game prompts" collection.

- Made by Chris First (@chrisfirst) and shared on X: https://x.com/chrisfirst/status/2104644598626934858
- Prompt quoted word for word from: https://x.com/chrisfirst/status/2104644598626934858
- Model as stated by the creator: Claude Opus 5.5. Omo has not re-run it, so your result will differ.

## How to use

1. Open Claude Code (or a Claude chat for a single-file HTML game) running Claude Opus 5.5.
2. Paste the prompt below.
3. Change the theme, characters or rules if you want your own version.
4. Play it, then ask for fixes in plain words.

## Prompt

```text
make me a Fallout game in New York
```

---
The prompt and the game belong to their creator. Listed on omo.space with credit and a link to the original.
Creator and want it removed? https://omo.space/support