Train your brain with N-back Training!
N-Back Training is brain training.
It is known to improve working memory.
Boost your memory through steady N-Back Training!
How to play
If the currently displayed number is the same as the number displayed before N rounds, press the O button, otherwise press the X button.
More details can be found in the app.
Ranking
If you clear the training quickly, you can enter the Hall of Fame!