As of January 2024 - 75 of the Top 100 most played Steam games work on Steam Deck
Open link in next tab
As of January 2024 - 75 of the Top 100 most played Steam games work on Steam Deck
https://www.gamingonlinux.com/2024/01/as-of-january-2024-x-of-the-top-100-most-played-steam-games-work-on-steam-deck/
Here's an up to date look at the current state of the most played games on Steam, and how many of they run on Steam Deck and Linux as a whole.
It's worth noting that the top 100 games do contain a lot of popular multiplayer games, and multiplayer games are less likely to work on Steam Deck/Linux due to anticheat issues. So games outside of the top 100 will generally have a higher compatibility rate. For comparison, only about 5% of the top 1000 games are broken on Linux according to Protondb