SupaiDa — Spider Solitaire

SupaiDa is a free Japanese Spider Solitaire game that runs entirely in the browser. Players can clear 1-suit, 2-suit, or 4-suit boards with hint, undo, and auto-save support. No account or download is required, and deals plus progress save automatically between sessions. It works on desktop, tablet, and mobile browsers. This is an external link-only listing because no source-code reuse, rehosting, or embedding permission was provided.

This game is expected to work well on smaller screens and touch devices.