Lex Toumbourou · 2026-11-10 · notable
Lex Toumbourou — Claude Fable 5.2 one-shots a 12-stage beat 'em up
In short
Lex Toumbourou used Claude Code with Claude Fable 5.2 to build his nephew's game design, Aiden's Revenge, in one overnight run: 12 stages, 18 characters and four-player controller support, using about 340M Claude tokens.
Lex Toumbourou · 2026-11-10 · 3 sources checked
A developer gave Claude Fable 5.2 his nephew's game design and got a playable four-player beat 'em up back overnight.
What is it?
Lex Toumbourou's post describes Aiden's Revenge, a beat 'em up designed by his nephew Aiden, rebuilt in a single one-shot run of Claude Code on Claude Fable 5.2. The game has 12 stages, 18 selectable characters and four-player controller support, and the post links to the published game. An earlier version from June had used Opus 4.8 and Fable 5.
How does it work?
Claude Fable 5.2 wrote the game code inside Claude Code while the run went overnight. The art came from about 500 images made with ChatGPT Images 2.5, and ElevenLabs produced 11 music tracks, about 100 sound effects and 90 announcer lines. The Claude usage over roughly two days came to about 340M tokens, of which about 320M were cache reads, 19M cache writes and 1M output.
Why does it matter?
The post is a concrete, numbers-backed data point on how far a single agent run can now take a complete small game, and on where the tokens go: almost all of them were cached context, not new output. The Hacker News thread drew more than 400 comments debating what one-shot builds like this mean for game and software work.
Who is it for?
developers testing long agent runs
Try it
https://aidens-revenge.pages.dev/