The primary purpose of this game is to support JCrete4Kids 2024. It is based on a number of components, namely:
- Jaroslav Tulach's Karel game (Copyright (C) 2014-2015 Jaroslav Tulach ), under the GPLv2 license,
- The Blockly Library (GitHub) - the game is Built on Blockly, under the Apache 2.0 license,
- Bootstrap JavaScript/CSS library (Copyright 2011-2014 Twitter, Inc.), under the MIT license,
- Images from the Oldřich Jedlička's Karel (Copyright © 2006-2013 Oldřich Jedlička), under the BSD license,
- Images from the Maze game from Blockly Games, under the Apache 2.0 license.