Devil's Third is an upcoming third-person shooter video game by Tomonobu Itagaki's Valhalla Game Studios developed for the PlayStation 3,Xbox 360, Microsoft Windows, and tablets.

Devil's Third is third-person shooter, combined with melee fighting gameplay, featuring online play. The game's backstory is based on the Kessler syndrome theory.

Debris from artificial satellites in orbit has created a cascading effect of collisions, leading to the destruction of nearly all satellites, both civilian and military. In the resulting turmoil, war erupts around the world as the balance of military power is thrown into chaos. Infantry battle is altered in a world without satellite technology.