Have you played the World’s Biggest Pac-Man Game in your browser (https://worldsbiggestpacman.com/#), yet? It’s free. For some reason, Facebook login isn’t working so you can’t create/add new mazes as of this writing, anyway.
Free is always a good price, yes/no? A bunch of folks have played this already, according to their detailed stats page here: https://www.worldsbiggestpacman.com/datavis/
Pac-Man has been around since 1980 and there have been quite a few Pac-Man related games over the years. The official website is: https://pacman.com/