Package gbrainy

https://wiki.gnome.org/Apps/gbrainy

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.

Version: 2.4.6