Trivia Crack - Produced by Etermax, Trivia Crack lets players answer trivia questions and compete against other people on mobile devices.

Lumosity - Discover what your mind can do. Improve memory, increase focus, and find calm - with the #1 brain training app. Get started now.

Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax

Brain Workshop - Brain Workshop is a open-source version of the dual n-back brain training exercise.

A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.

Elevate - Elevate is an award-winning brain training tool designed to build communication and analytical skills.