Private First Class Ronald "Red" Daniels lands on Omaha Beach on D-Day with the 1st Infantry Division and fights his way into Germany with one squad, until a friend is captured and the search for him ends at a concentration camp. Call of Duty: WWII is a 2017 game by Sledgehammer Games, and its campaign is set among real battles.
The route follows the missions in order: Omaha Beach, Marigny, Aachen, the Hürtgen Forest, the Ardennes, the bridge at Remagen and Berga, with the real battle each one echoes. Pins mark battle areas, not a mission's exact street.
Call of Duty: Modern Warfare (2019) and Modern Warfare II (2022) are set in real cities such as London, Saint Petersburg, Amsterdam and Chicago, plus Moldova and Georgia, alongside invented countries.
The route follows the campaigns in story order: the attack on Piccadilly Circus and the Camden Town raid, the trail through Saint Petersburg, Baurci and Borjomi, then the courier chase in Amsterdam and the finale in Chicago. Invented countries are left off the map, and the pins mark each real city or town, not a mission's exact setting.
In January 1981 a CIA team led by Russell Adler hunts Perseus, a Soviet spy Adler believed dead. The trail runs from an Amsterdam bar and a Vietnam flashback to East Berlin, the KGB's Lubyanka and a Cuban firefight, before reaching the Solovetsky Islands. The route follows the campaign's real places in mission order and keeps the game's story apart from the real history of each place. A final stop marks the alternate ending at Duga.
Call of Duty: Black Ops sends CIA operative Alex Mason from the Bay of Pigs in Cuba to the Vorkuta gulag, Baikonur Cosmodrome, Huế in Vietnam and Kowloon Walled City in Hong Kong.
Mason's story is told in flashbacks from an interrogation room, in order, from April 1961 to 1968. This route follows seven real places behind the campaign, and what happened at each one in real history. The game's levels are fiction, so most pins are approximate. Spoiler notice: the last stop reveals the campaign's twist.
Call of Duty 4: Modern Warfare and its sequels Modern Warfare 2 and 3 are set in real cities, from Pripyat and Rio de Janeiro to Washington, D.C., New York, Hamburg, Paris, Prague and Dubai.
This route follows the story of Price, Soap and Makarov across eight settings. The games' levels are invented layouts, so most pins mark the city rather than a mission spot.