遊Game Notes

Design and engineering notes from the team that builds these games.

遊 GAME NOTES

A roulette bet is a string: self-describing keys and the ×36 table

2026-09-11 · 7 MIN遊 GAME NOTES

Designing Fukubukuro: the lucky bag that always pays something

2026-09-11 · 8 MIN遊 GAME NOTES

Designing Koban Flip: every face is fixed when you buy the coin

2026-09-11 · 7 MIN遊 GAME NOTES

Designing Bingo: 38 balls, 12 lines, and why the centre star is worth a whole ball

2026-09-07 · 9 MIN遊 GAME NOTES

Designing Hanabi: a slot whose free spins build ×1, ×2, ×3, ×5 — and what its source file admits

2026-09-03 · 9 MIN遊 GAME NOTES

Two rides, two curves: what Limbo and Crash actually charge

2026-09-01 · 9 MIN遊 GAME NOTES

Designing Tairyō: what a slot’s paytable is actually promising you

2026-08-07 · 8 MIN遊 GAME NOTES

Why our fee rises with leverage — and why we show you the curve

2026-08-07 · 7 MIN遊 GAME NOTES

Designing Pagoda’s ladder: a game with no bad button

2026-07-24 · 8 MIN

18+ · PLAY RESPONSIBLY · THE JOURNAL IS EDITORIAL CONTENT, NOT BETTING ADVICE