Every day there will be a new Call of Duty map to guess. You get 6 guesses. Each incorrect guess will reveal a new part of the map, getting easier and more obvious the more you guess wrong.
Picture 5 will be a verbal clue, this could be a play on words or something silly to help you figure out the map name.
For example, for “Killhouse” the clue could be “MurderHome”. Good luck!
