Puzzlebyrinth Tetro 15

Design

A title font for the site's monthly puzzle "Tetro 15" (tile number-carrying tetrominoes so every row and column sums to 15). Each letter is built from studded square blocks with seams between them — like tetrominoes tiled onto a board.

It builds on the same 5x7 matrix as Marubatsu. Great for block-game headings and scores.

• Regular: Studded-block letters, for titles and headings.

License

Released under the Puzzlebyrinth Font License 1.0 — free, commercial use allowed, attribution required. By downloading or using the font you agree to its terms. In short (the full license text, also bundled in the ZIP, prevails over this summary):

You can

• Use the font free of charge, personally or commercially (logos, print, video, streaming, games).
• Embed it as a web font and bundle it with apps and games.
• Modify it and redistribute original or modified versions.

Conditions (required)

• Attribution: when you publish or distribute work that uses the font, credit “Font: Puzzlebyrinth Tetro 15 (puzzlebyrinth.com)” (or an equivalent) in a reasonable place — credits, video description, site footer, colophon, etc. Private, unpublished use needs no attribution.
• When redistributing the font files, include the license text (LICENSE.txt) unchanged.
• Modified versions may not use the original font name — pick a different name and keep this license.

You cannot

• Sell the font files by themselves (bundling with software or games is fine).

The font is provided as-is, without warranty. It does not cover Japanese (kana/kanji), so specify a fallback font when using it on the web.

Usage (CSS)

@font-face {
  font-family: "Puzzlebyrinth Tetro 15";
  src: url("/fonts/PuzzlebyrinthTetro15-Regular.woff2") format("woff2");
  font-display: swap;
}
h1, .score {
  font-family: "Puzzlebyrinth Tetro 15", sans-serif;
}

Remember to include the attribution “Font: Puzzlebyrinth Tetro 15 (puzzlebyrinth.com)” when you publish your work — it is required by the license. Questions and bug reports are welcome via the contact form.