【實用遊戲app】Reaction Drop|最夯免費app-綠色工廠好玩App

Test your reaction speed or how awake you are with reaction drop! The goal of the game is simple -- tap the green buttons before the blue squares reach them. Two blue squares fall each round, and each round gets faster and faster. It's a great way to see your reaction time and whether or not you need sleep. Your average reaction time should be less than 0.4 seconds.