Licenses

© 2026 Kot Agent (Котовый агент). All rights reserved. The cats and illustrations were drawn especially for this game. Below are third-party works it uses.

Full texts of all licenses

Fonts

Distributed under the SIL Open Font License 1.1.

Unbounded

Copyright 2022 The Unbounded Project Authors (github.com/googlefonts/unbounded)

Fira Sans Extra Condensed

Copyright (c) 2012-2015, The Mozilla Foundation and Telefonica S.A.

Rubik

Copyright 2015 The Rubik Project Authors (github.com/googlefonts/rubik)

Libraries

QR Code Generator for JavaScript

Copyright (c) 2009 Kazuhiko Arase. MIT License. QR Code is a registered trademark of DENSO WAVE INCORPORATED.

ws (on the server)

Copyright (c) 2011 Einar Otto Stangvik, 2013 Arnout Kazemier and contributors, 2016 Luigi Pinca and contributors. MIT License.

Referee

Russian dictionary dictionary-ru

Copyright (c) 1997-2008, Alexander I. Lebedev. BSD-style license with a condition to mark modified versions. The server uses a modified form: hashes of word forms derived from the dictionary, which the referee uses to check clues. The original dictionary is not distributed to players.

Related-word search

Written for this game based on the published Russian stemmer algorithm of the Snowball project.