Provenance
- Model
- Claude Opus 4.8
- Reasoning
- high
- Made with
- not recorded
- Generated
- 2026-07-09
- Build
- single HTML file · 47 KB · 1,280 lines
- Libraries
- none — vanilla JS
high reasoningfully original monster rosteroverworld + battles
The prompt
Original prompt
The original prompt could not be recovered from local files or agent-session history.
Recovery status
The generated game was copied from a browser download named `index.html`. Its prompt likely remains in the original web-chat history. No reconstructed prompt is presented here as an original.
Public summary only
The site later summarized the Pokémon arena brief as:
build a playable Pokémon-style adventure for the browser — overworld exploration plus turn-based battles
This is not confirmed as the prompt used for Claude Opus 4.8.
Also lined up in the POKÉMON head-to-head collection →