When Call of Duty: Ghosts launched in 2013, it was the first game to release on a new generation of consoles — the PS4 and Xbox One. Packed with the new game was a third game mode known as Extinction — an alien-themed co-op experience. It was dubbed Infinity Ward’s answer to the Treyarch’s popular Zombies mode. Unfortunately, Call of Duty: Ghosts was the last we saw…
