CIFRA Code25 by Mitsuo Yamamoto — Kickstarter

CIFRA Code81 by Mitsuo Yamamoto — Kickstarter

CIFRA Code81 by Mitsuo Yamamoto — Kickstarter

Beehive - A mathematics puzzle game by Mitsuo Yamamoto — Kickstarter

CIFRA Code25 by Mitsuo Yamamoto » Making process and survey mail — Kickstarter

CIFRA Code25 by Mitsuo Yamamoto — Kickstarter

CIFRA Code81 by Mitsuo Yamamoto — Kickstarter

CIFRA Code25 by Mitsuo Yamamoto — Kickstarter

CIFRA Code81 by Mitsuo Yamamoto — Kickstarter

Lumber Merchant - a game requiring balance, tactics and luck by Mitsuo Yamamoto — Kickstarter

Tactile tile CHOSS an innovative game without vision by Mitsuo Yamamoto — Kickstarter

CIFRA Code25 by Mitsuo Yamamoto — Kickstarter