Call of Duty 4: Modern Warfare is a first person shooter game for the PC, Playstation 3, Xbox 360, and Nintendo DS. All four platforms have multiplayer capability but only the PC, PS3 and Xbox 360 have the ability to play the game online.

Call of Duty: Black Ops 4 is a multiplayer first-person shooter video game. Unlike previous titles in the Call of Duty series, Black Ops 4 is the first entry to not feature a traditional single-player campaign, and contains only Multiplayer, Zombies and a new battle royale mode called Blackout.