Some older backup managers require "BD Mirror" to be enabled in settings to trick the system into thinking a physical disc is present.
Sonic Generations is a 3D platformer that brings together Sonic the Hedgehog and his classic and modern forms. Players can switch between the classic Sonic, with his original gameplay mechanics, and the modern Sonic, with his updated abilities. The game features various levels, each representing a different era of Sonic games, from the Green Hill Zone to more recent environments. sonic generations ps3 iso 13 work