Is Duelingbook still online?

“Duelingbook is a Yu-Gi-Oh! Trading Card Game simulator that works right in your browser.”

In this directory, Duelingbook sits in the modern indie collection and is tagged cards (14 games), 1v1 (19 games) and fan made (7 games).

1. 1Open duelingbook.com in a desktop or mobile browser. It is the official site; avoid “unblocked” mirrors.
2. 2The homepage doesn't say whether you need an account. Many games here let you play as a guest and register later to keep progress.
3. 3The homepage doesn't list controls, so we don't guess. Most games show a tutorial or a “how to play” screen on first launch.

Browser

Plays in the browser from duelingbook.com (our inclusion rule).

Account

Not stated on the homepage.

Mobile

Not stated on the homepage.

Per-check history started on Oct 29, 2026. Status changes across all games are in the status log.