---
name: opus-5-5-game-flight-over-endless-procedural-mountains
description: "Use when you want a game like @cyrilXBT's \"Flight over endless procedural mountains\". Runs their exact Claude Opus 5.5 prompt."
source: https://x.com/cyrilXBT/status/2103801828744061307
prompt_source: https://x.com/cyrilXBT/status/2103801828744061307
author: "CyrilXBT (@cyrilXBT)"
model: claude-opus-5-5
---

# Flight over endless procedural mountains

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

- Made by CyrilXBT (@cyrilXBT) and shared on X: https://x.com/cyrilXBT/status/2103801828744061307
- Prompt quoted word for word from: https://x.com/cyrilXBT/status/2103801828744061307
- 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
build a flight simulator over procedural mountains in one html file
```

---
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