Credits
Brain Games is made by Fury Sting. The pictures, card faces, figures and icons are drawn in code; the notes are synthesised as you play. These are other people's, with thanks:
Phaser
The boards are drawn with Phaser 4 by Phaser Studio Inc., under the MIT licence.
Type
Fredoka, by the Fredoka Project Authors, and Nunito, by the Nunito Project Authors, both under the SIL Open Font License 1.1.
Sound
Interface Sounds by Kenney (kenney.nl), released into the public domain (CC0).
Words
The word lists are built from SCOWL (Spell Checker Oriented Word Lists), copyright 2000–2018 Kevin Atkinson, with lists from Alan Beale's 12Dicts and the Moby project (public domain). Permission to use, copy, modify, distribute and sell these word lists, the associated scripts, the output created from the scripts, and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appears in all copies and that both that copyright notice and this permission notice appear in supporting documentation. Kevin Atkinson makes no representations about the suitability of this array for any purpose. It is provided "as is" without express or implied warranty.