Dual Brain Vol.1: Calculation

■ Rules are simple. Solve the problem 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. ■This time calculation. There are many calculation games in this game. Anyone can play happily, even those who are not good at calculations and those who are good at calculation. ■ Let's train parallel processing ability with "DUAL TASK". Not just a brain training game! Handle "DUAL TASK" while solv...