gbrainy is a brain teaser game and trainer to have fun and to keep
your brain trained.

gbrainy provides different difficulty levels making gbrainy enjoyable
for kids, adults, or senior citizens.  It also features player's game
history, player's personal records, tips for the player, or fullscreen
mode.  gbrainy can be also extended easily with new games developed by
third parties.

It provides the following types of games:

 * Logic puzzles. Games designed to challenge your reasoning and
   thinking skills.
 * Mental calculation. Games based on arithmetical operations designed
   to prove your mental calculation skills.
 * Memory trainers. Games designed to challenge your short term
   memory.
 * Verbal analogies. Games that challenge your verbal aptitude.

This requires gnome-sharp and mono-addins.