Redditor TheEdenChild has made a free browser-based Red Dead Redemption 2 GeoGuessr game that will require you to recognize Rockstar's western locations and mark them on a map. The closer players get to the actual location, the more points they'll get. There are 12,143 RDR 2 locations available to search.
You can select a number of rounds, set a time limit or disable camera movement to adjust the game's difficulty. There are single-player and multiplayer modes available in Red Dead Redemption 2 GeoGuessr.
Those who know Los Santos and Blaine County map well can play GTA 5 GeoGuesser.