"Maybe someone from a past game "pretended" to be dead and hid somewhere on the island where the GM wouldn't find them," Yuki brought up a point, seeing as it was completely possible to just hide around and survive past the game itself. "The collars? We have them, and the past players surely had collars too," Yuno says something after a period of silence from her,"These collars probably have tracking devices in them, so the GM is ensured we're always on the island, playing the game." (E2, outside the shrine)