---
name: opus-5-5-single-file-demoscene-intro
description: "Use when you want a video like @JustinPerea's \"280 KB single-file HTML demoscene intro\". Runs their exact Claude Opus 5.5 prompt."
source: https://x.com/JustinPerea/status/2102893186330841502
prompt_source: https://x.com/JustinPerea/status/2103137233649692745
author: "Justin.md (@JustinPerea)"
model: claude-opus-5-5
---

# Single-File Demoscene Intro

A free prompt from the Omo "Opus 5.5 videos" collection.

- Made by Justin.md (@JustinPerea) and shared on X: https://x.com/JustinPerea/status/2102893186330841502
- Prompt quoted word for word from their reply: https://x.com/JustinPerea/status/2103137233649692745
- Model as stated by the creator: Claude Opus 5.5. Omo has not re-run it, so your result will differ.
- Tools the creator mentioned: none (rendered in code)
- Needs your own files: no

## How to use

1. Open Claude Code (or another agent running Claude Opus 5.5 that can write and run code).
2. Paste the prompt below.
3. Replace the creator's product, brand or topic with yours.
4. Let it render, then ask for changes in plain words.

## Prompt

```text
Create this in a new sub folder.

/goal Create the most impressive demo of Opus 5.5 (you) capabilities to be shown off on Twitter. Pick what you want to make, record it into a short video that can get attention, and have fun.
```

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