Comment by vinceguidry

> According to ProtonDB, over 5000 PC games are certified Verified on the Steam Deck, and over 15,000 games are considered playable. This means that there are tens of thousands of games that can be run on Linux in some way.

Note that whether games work well on the Steam Deck or not isn't reflective of whether they can be run on Linux at all. With desktop Linux, virtually every game ever released can be run, on any platform, the biggest obstacle being anticheat.