Japanese logic puzzles, generated fresh every time and played entirely in your browser.
Aisurom 氷路 · Arukone 数結 · Buraitoraito 灯明 · Endorain 端線 · Fobidoshi 禁四 · Hashi 架橋 · Hitori 一人 · Kuin 女王 · Kuriku 渓流 · Masyu 真珠 · Nurikabe 塗壁 · Obitaru 環帯 · Shikaku 数角 · Shirokuro 白黒 · Toichika 対符 · Wamuzu 虫道
The puzzles are drawn and generated in the browser, so JavaScript has to be enabled to play. Nothing about you is sent anywhere either way.