The advanced Caesar III game engine Augustus has a new release up
To play the classic city-builder Caesar III on modern platforms there is the FOSS game engine Julius, however there's also a more advanced version called Augustus that had a major new release.
How to setup OpenMW for modern Morrowind on Linux / SteamOS and Steam Deck
How to install Hollow Knight: Silksong mods on Linux, SteamOS and Steam Deck