Site notice

How to read these notes, and what the outside links are for.

A few plain statements about how to read this site.

Opinion and general practice

These are one hobbyist's notes on common design practice. They are not legal, financial or business advice. Rules on selling randomised items, on consumer rights and on data collection during playtests differ by country; check the law where you publish.

Outside links

Outside links illustrate a point and are not endorsements. Two articles cite pages from the gambling industry, in Traditional Chinese, purely as design or verification case studies. Gambling is for adults, is restricted or illegal in some places, and can cause serious harm. In the US, the problem gambling helpline is 1-800-MY-RESET.

No downloads

This site offers no game downloads, keys or installers. Any page claiming otherwise in this site's name is not ours.

Corrections

Pages carry the date they were last revised. Errors are fixed at the next revision.

// revised 2026-11-12