The author didn't share a prompt. Ask them on X.
Someone who's usually all-in on ChatGPT (two 20x accounts) tried Opus 5.5 on the cheapest paid plan (€20/mo Pro). Attached the prompt below Opus did it in one 5hr session, granted Codex full permissions, even pulled Suno for music/SFX. Multiplayer, stats, bots or humans,