DEATH GAME (Find the killer)

Percy was just getting ready to go on his 6th grade science camp field trip when he suddenly gets knocked out and abducted. When he wakes up he finds himself in a forest like battlefield. He's not the only one though. 9 other mysteroius students from his school also got abducted. A mysterious man then explains that he must find the killer before the killer kills us. What does he mean by killer. Can somebody our age actually be a murderer. It seems that we must play an evil death game to survive. Well he be able to survive or will everybody be killed, the nightmare begins.