Wikipedia
Gbrainy
gbrainy is a brain teaser game for GNOME designed for use in education. It is licensed under the GNU GPL. The game was written in C# and has since been ported to the Sugar graphical environment, to Microsoft Windows.
Specifically, it contains the following:
- Logic puzzles - games designed to challenge reasoning and thinking skills
- Mental calculation - games based on arithmetical operations designed to improve mental calculation skills
- Memory trainers - games designed to challenge short term memory
- Verbal analogies - games that challenge your verbal aptitude