All the games from Dual Brain Vol.1~Vol.3 are included, plus two new categories, for a total of 10 new games, making it a great value.

■ Rules are simple.
Solve the questions within the time limit and aim for a high score.
The high score in the game is registered in the online ranking.
Compete for scores with players around the world.

■30 mini-games in 5 categories.
There are 30 mini-games in this game, belonging to the five categories of calculation, reflection, shape, observation, and guessing. Let's try to play various mini-games.

■ Let's train parallel processing ability with "DUAL TASK".
Not just a brain training game!
Handle "DUAL TASK" while solving the question.
If "Dual Task" is successful, the remaining time limit will increase.
The remaining time limit will be added to the score as “TIME BONUS”.

Solve the questions and complete “DUAL TASK” to become the best player in the world.