Brain training is a competition in 7 stages. 1. Power to Calculate 2. Power of Memory 3. Power to be Careful 4. Power of Reflection 5. Power to Think 6. Power to Judge 7. Power to Concentrate [Training method (Single Player Game)] - Play brain training against the computer. - It becomes more difficult as the level increases. - Brain training consists of 7 stages (calculation ability, memory ability, etc.). [Training method (2 Player Game)] - Two people compete against each other in brain training. - The competition will be held in 7 stages (calculation ability, memory ability, etc.). - Win the game by winning 4 stages.