Doubt, Dead Tube Recommendations
Known for their dark premise and twisted games, both series adapts a horror story with gruesome themes. The main characters participates in a game where there's a lot more at stake than simply winning. In addition, both series also translates violence into twisted storytelling that relates to their game.
Much the same when it comes to Students being forced to play a death game. Both manga indulge in the psychological horror atmosphere, with a splendor way of showing gore in the unique ways of killing people.