I Grind Dungeons Around The World is a Manga/Manhwa/Manhua in english language, manhua series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Su Mu traveled to a parallel world, where everyone in this world will be forced to enter the game space when they are eighteen years old and become a challenger! Start various types of survival games in space! Hide and Seek! Become the victor..