Crossy Sky Guriko
You think you got the reaction speed of a Ninja? Test it out in Crossy Sky Guriko. Simply press left or right to jump. But you have to act fast because the screen is moving forward. Also make sure you jump to solid surface. Cloud is empty so it’ll make you fall down. Can you get to 500? Sometime is good to slow down and think before you move if you have enough time.
As Always, Good Luck and Have Fun.