Call of Duty: Ghosts is a first-person shooter video game developed by Infinity Ward, with assistance from Raven Software and Neversoft, and published by Activision.
It is the tenth, primary installment in the Call of Duty series, and the sixth developed by Infinity Ward.
The game's main protagonists are the Ghosts, a force of U.S. Special Operations personnel trained to conduct clandestine missions behind enemy lines.
The unit is led by retired U.S. Army Captain Elias Walker.
He is joined by his sons Logan and David "Hesh" Walker, along with Booth and Neptune, a trained German Shepherd named Riley, and Cdr. Thomas A. Merrick of the Navy SEALs.
Call of Duty: Ghosts is set in an alternate timeline that follows the nuclear destruction of the Middle East.
The oil-producing nations of South America form the Federation in response to the ensuing global economic crisis and quickly grow into a global superpower, swiftly invading and conquering Central America and the Caribbean.
The game's main antagonist is Gabriel Rorke, a former Ghost who turned traitor after being captured and brainwashed using torture and hallucinogens who now works for the Federation.