01
Mr.Mine: best for the classic dig-deeper idle game, free
Platform: Browser, Steam · free-to-play
Mr.Mine has you manage a team of miners and upgrade a drill to idle your way down through the mines, finding buildings with their own mechanics, treasures and mysteries along the way. The Steam page lists over 100 drill upgrades and Super Miners with special abilities, and the catalog records offline progress.
Playsaurus first released it in 2012, where it was played more than 10 million times, and remastered it for Steam in 2020. It is free in the browser at mrmine.com and free on Steam for Windows and Mac, where it is 92% positive from about 18,700 reviews as of November 2026.
Pick it first if you want discovery more than spreadsheets. The point is finding out what is in the next layer.
Watch out for: Steam lists in-app purchases, and the catalog records no ending, so it keeps going as long as you do.











