** What is Dual N-Back? **
Dual N-Back is a scientifically verified game that can train the following brain functions.
■ IQ
■ Flash memory
■ Improve cognitive functions"

** Application functions **
■ Training mode
■ Challenge mode
■ Displays daily brain training results on a calendar
■ Displays brain training statistics
■ Social game function to compete with players around the world for high scores

** Training Mode **
■ This mode allows you to set the number of questions in advance.
■ Points are awarded for correct answers to both the location and character elements.
■ No matter how many times you make a mistake, the set number of questions will be executed.

** Challenge Mode **
■ This is a mode that keeps running until your life remains.
■ Compete with players around the world for high scores.
■ Solve more problems and train your IQ and flash memory.