Xbox 360 game Operation Darkness is an action-adventure game for the Xbox 360 system. It was developed by FromSoftware and published by Microsoft Game Studios. The game is set in a dark and mysterious world, where players must use their skills and knowledge to survive. Operation Darkness is a reboot of the old Dark Souls game series. The game is set in a new world which is full of secrets and mysteries. Players will have to use their skills and knowledge to survive in this dark and mysterious world.