In the Black Ops II multiplayer, they have gadgets called Tac Inserts that control where you respawn. Normally you can only see them for a split second before placing them on the ground. However, if you hold onto one long enough, you’ll notice a set of coordinates on the item’s display screen: If you write those coordinates down and search for them on Google Maps, you’ll find that they correspond to your in-game location in the real world.
Find Makarov is a fan-made film. The video was well received Call of Duty publishers, Activision, who contacted We Can Pretend and subsequently produced a second short film, Operation Kingfish. Find Makarov: Operation Kingfish is a fan-made prequel to Call of Duty: Modern Warfare 2 and was first shown at Call of Duty XP. The video was produced by We Can Pretend, with visual effects by The Junction, and was endorsed by Activision. The video tells the story of how Captain Price ended up in a Russian Gulag set before the events of Modern Warfare 2.
In one level of Call of Duty: Modern Warfare 3, you’re trapped in a plane that is falling from the sky. If you happen to press the reload button during this brief sequence, your magazine will actually float away from you like it would in real life.
In Call of Duty: Black Ops and its 1980s-movie-sequel-titled follow-up, Black Ops II, there is a multiplayer level called Nuketown that is crammed full of hidden details. For instance, there is a scale model of the Brady Bunch house.
Nuketown also features a countdown clock, which displays the actual time left in the match rather than the amount of time Indiana Jones has to locate a refrigerator, a population counter that changes depending on how many people are left in the game, and mailboxes bearing the names of the game’s main protagonists.