Wonder why ? who die first when shooting at the same time? The determinant factor is "click delay or not".
To know the difference of clicking delay period, we have " Mouse shooting Speed Test " for gamers to compare which one is shortest.
Mouse Shooting Speed Test(Main Menu)
World First Click Fastest
Bloody mouse - Shorten clicking delay period to 1ms to win the game at first!
Normal gaming mouse click delay taking 18ms, cause fire too late.