If desired, PUBG can make the blood is blue, as in the Korean version of the game. According to some players, it helps them to better identify enemy positions during the shootings. Does it help you to play better - a moot point, but no one stops to try.
Make the blue blood in PUBG can simply typing in the command -koreanrating in the startup parameters of the game. To do this, open the list of installed games and choose PUBG. Next, click on "Properties" and "Set launch options". After that, you can run and start the game.