Reaction : Lots of Circles 对比 Sum Master 的使用情况和统计数据

A simple yet addictive reaction stimulating game. With brilliant colors and soft ambient sounds, this app will have you trying to beat scores for hours. Each level brings new colors to explore. Some color pairings are harder than others. Be quick, don't blink, and never give up. More levels and achievements to come in version 1.1.0