yes, on the web and by installing steam on your mac you can see which games you are able to install. also all games in feature a description in them steam store that let you know if the support macos.

Check out MrMacRight's video: https://youtu.be/viUBKlNbO88?si=rV2XaBL_KPBe1ycq

Originally posted by joeswell:

I am looking for some games that will work on a new iMac M3 / Sequoia OS 15.2, Is there a list of games that play on Macs?

Yes, it there: https://www.applegamingwiki.com/wiki/M1_compatible_games_master_list

try War Thunder >:)