This is a list of video games set in United Kingdom/London or fictional cities that closely resemble it.
based on:
https://en.wikipedia.org/wiki/List_of_video_games_set_in_London
https://www.thegamer.com/best-video-games-set-in-uk/
https://en.wikipedia.org/wiki/Category:Video_games_set_in_the_United_Kingdom
https://squadstate.com/list/5-great-video-games-set-in-the-uk