Quickly figure out the right answer. The game will quickly appear a simple calculation problem, you need to calculate the correct answer, each correct answer your character will fire a bullet to kill the bug in front of you, kill a bug to get a point, come to experience to see how many points you can get.
CrazyMath
Quickly figure out the right answer. The game will quickly appear a simple calculation problem, you need to calculate the correct answer, each correct answer your character will fire a bullet to kill ...
