puzz.link hosts some puzzle things. "Puzzle" here refers to Nikoli/WPF style logic puzzles, for example Sudoku or Slitherlink.

Currently, you can find

The pzprjs applet

puzz.link hosts the robx/pzprjs applet, an improved fork of the applet that powers pzv.jp.

For example, the URL puzz.link/p?skyscrapers/5/5/g2l2g43l35 is a

Skyscrapers puzzle

And puzz.link/p?masyu/10/10/6000123630000664000026000239000000 is a

Masyu puzzle

You can explore the list of puzzle types to reach the editor. To share a puzzle, share the link via "File > Export URL". You can find puzzles that use this applet around the web, for example on Twitter or at Puzzle Square JP (e.g., the Geradeweg puzzles).

The puzz.link puzzle database

At puzz.link/db, you can access a database of publicly accessible puzzles, found via twitter and puzzle blogs, among others. For example, you can find more Masyu puzzles.

Terms, Privacy

Puzzle content

For all puzzles shared via puzz.link, the copyright lies with their authors. We merely serve an interface for solving those puzzles; any issues should be taken up with the site hosting the link. The puzz.link database only shares puzzles that are available publicly, and links to their source.


Puzzle applet

The solving applet at https://puzz.link/p stores user preferences in the browser local storage. These preferences are not shared with the puzz.link servers. When logged in to an account at the puzzle database (see below), the applet sends information about solved puzzles to the puzz.link servers.

Puzzle database

It's possible to create an account with the puzz.link database at https://puzz.link/db. In that case, we store account details to enable login. You can optionally provide an email address which will be used to get in touch for important issues relating to your account, such as password reset.

When you log in to the puzz.link database, we store a session identifier in the browser local storage.

When interacting with the puzz.link database while logged in, we store data such as tags and solve status as entered while interacting with the database. Furthermore, when you solve puzzles using the puzz.link applet while logged in, those solves will be recorded in your account.


If you have any questions or comments, get in touch at contact at puzz.link.