YuminaEssays
Longer pieces on games, AI, and the business around them.
- EssaysAI Entertainment Apps That Stay Closed Will DieWhy closed AI roleplay apps and AI games forget, flatten worlds into character cards, meter every message, and cannot afford the models they advertise. Memory limits of 21 platforms compared, and why Yumina's open-source engine has no cap with your own API key and 64K memory free.Jefray Ding · October 4, 2026 · 10 min read
- EssaysWhat AI Actually Changes About Game DesignA game designer on pain points, peak moments, disguised frustration, and the three things AI really changes in games like RTS. By the founder of Yumina.Jefray Ding · September 13, 2026 · 9 min read