More than 75% of Steam games tested are playable or verified on the Steam Deck
lol I game on my 2019 MacBook Pro 16'. If you run Arch on it, you can use Steam Proton - or use Bootcamp with it.You will need a fan, but it works really well - you can run the Witcher 3, Cyberpunk (albeit not at 60fps) and many, many games very well.Steam Deck is another piece of hardware, you can get away with using a lot less.