Licences and sources

We wrote the games and the site ourselves. We use the following works by other authors and thank them.

Font and icons

Font Atkinson Hyperlegible Next, The Atkinson Hyperlegible Next Project Authors, SIL Open Font License 1.1: licence text.
Icons Phosphor Icons, Phosphor Icons, MIT licence: licence text.
QR codes: the qrcode-generator library by Kazuhiko Arase, MIT licence: licence text. QR Code is a registered trademark of DENSO WAVE.

Slovak: the sk_SK dictionary by the sk-spell project, MPL 1.1 (also GPL 2 and LGPL 2.1).
Czech: the cs_CZ dictionary (Petr Kolář et al., Miroslav Pošta), GNU GPL 2.
English: SCOWL and the en_US and en_GB dictionaries by Kevin Atkinson and others, with the VarCon, Ispell (BSD) and WordNet 1.6 notices.

All author notices: THIRD-PARTY-NOTICES.txt. Licence texts: GPL 2, MPL 1.1.

Source files of the dictionaries (unchanged, gzip) and the script that builds the game's word lists from them: sk_SK.dic, sk_SK.aff, cs_CZ.dic, cs_CZ.aff, en_US.dic, en_US.aff, en_GB-ise.dic, en_GB-ise.aff, build-dict.mjs and the original READMEs (sk, cs, en_US, en_GB).

Solitaire: suit shapes and pip layouts based on the English pattern playing cards by Dmitry Fomin, Wikimedia Commons, CC0 1.0.
Crazy Eights: German-suited cards drawn from photos and drawings of the William Tell pattern on Wikimedia Commons (authors in the source list).
Ludo: the pawn shape is adapted from the Pawn icon by Lorc, game-icons.net, CC BY 3.0. Board and die drawn from images on Wikimedia Commons.
Hide and Seek: animals and objects drawn from free references (Pearson Scott Foresman drawings on Wikimedia Commons, public domain; PhyloPic CC0; Phosphor Icons MIT). The leaping frog is a simplified redrawing of the Leiopelma archeyi silhouette by Auckland Museum and T. Michael Keesey (PhyloPic), CC BY 3.0.