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

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.