Lumosity - Discover what your mind can do. Improve memory, increase focus, and find calm - with the #1 brain training app. Get started now.
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Brain Workshop - Brain Workshop is a open-source version of the dual n-back brain training exercise.
Bitcoin Hero - Bitcoin trading simulator with real-time prices
gbrainy - gbrainy is a brain teaser game and trainer to have fun and to keep your brain trained.
Blockchain Demo - Visual demonstration of blockchain technology