About 計算ゲーム
30秒間、簡単?な計算問題が出続ける脳トレゲーム。
Swarmに登録する事で世界ランキング・実績に対応!
君は計算道を極められるか? 30 seconds, easy? Brain training game that problem calculation Na keep getting.
It corresponds to the world rankings and performance by registering with the Swarm!
You do is extremely calculated way?