Darwin's Game (ダーウィンズゲーム) is a manga written and illustrated by FLIPFLOPs. It has been published in Bessatsu Shounen Champion since December 12 2012.
The life of Kaname Sudo changes when displaying a message on his cell invited to participate in the game. As soon bitten in the neck by a virtual snake popped up on the screen, it is now the slave of a competition ruthless, the "Darwin's Game" true urban arena in which participants interconnected via a social network to compete in duels to the death.
Very quickly, the high school has to go to the obvious: even if he tries to escape the game, opponents, attracted by the lure of money and the thrill of the fight, are desperate to find him.