Video games are no stranger to museums and museum exhibits. While there are several museums that focus on just video games, other well known museums have started adding games to their collections and exhibits. Some museums that have hosted video game exhibits are:
Museum of Modern Art (MOMA)
https://www.moma.org/calendar/exhibitions/5453
Imperial War Museum
https://www.iwm.org.uk/history/what-can-video-games-tell-us-about-war-and-conflict
Smithsonian American Art Museum
https://americanart.si.edu/exhibitions/games
Here are some museums whose primary focus includes video games:
Museums in the United States
Museum of Art and Digital Entertainment
https://www.themade.org/
National Video Game Museum
https://nvmusa.org/
Strong Museum of Play
https://www.museumofplay.org/
International Museums
The National Videogame Museum (Sheffield, England)
https://thenvm.org/
Nationaal Videogame Museum (Netherlands)
https://www.nationaalvideogamemuseum.nl/
Nostalgia Box Museum (Perth, Australia)
https://thenostalgiabox.com.au/
Krakow Arcade Museum (Krakow, Poland)
http://www.krakowarcademuseum.com/en/
Museum of Soviet Arcade Games (Moscow, Russia)
https://15kop.ru/en