Btooom!
Btoom!

Sakamoto Ryūta is an unemployed 22-year-old living with his mother, but online he is one of the world’s top players of the combat game BTOOOM! One day, he wakes on what seems to be a tropical island with no memory of how he got there. When Ryūta spots someone and calls for help, the stranger throws a bomb at him. He realizes his life is in danger and that he has somehow been trapped in a real-life version of his favorite game. Now he must try to survive long enough to discover how and why he ended up there.