Can I play Notpron in my browser?

Yes. Notpron runs right on this page — press Play at the top. There is nothing to download or install, and it works in any modern browser, Chromebooks included.

NotpronNew tab

Loads from notpron.com when you press play.

Puzzle · Browser game

Notpron

Released 2004

Also known as NotPr0n

Runs in any browser — no download, works on Chromebook

About Notpron

Notpron is an online puzzle game and internet riddle created in 2004 by German game developer David Münnich. It has been hailed by fans, journalists, and Münnich himself as "the hardest riddle available on the internet". Regarded as one of the first of the online puzzle game genre, Notpron follows a standard puzzle game layout, where the player is presented with a webpage containing a riddle and must find the answer to the riddle in order to proceed to the next webpage.

Screenshots and video

Tags and modes

Notpron: questions and answers

Can I play Notpron in my browser?: Yes. Notpron runs right on this page — press Play at the top. There is nothing to download or install, and it works in any modern browser, Chromebooks included.