Btooom!

Btooom! follows Ryouta Sakamoto, a top-tier player of an online game who finds himself stranded on a deserted island, forced to play a real-life version of the game using various types of bombs. The series focuses heavily on tactical combat and the psychological toll of killing others to survive. It is a gritty, realistic take on the genre that emphasizes resource management and environmental awareness.

If you enjoy tactical shooters or games where intelligence is just as important as physical strength, this is a must-watch. The tension remains high as the cast dwindles.