More classics are being kept alive for modern platforms, with GOG putting Konami Collector's Series: Castlevania & Contra into their Preservation Program.
This pack contains five games including Castlevania, Castlevania II: Simon's Quest, Castlevania III: Dracula's Curse, Contra and Super C. All of them now have the GOG promise of it being "the best version of this game you can buy on any PC platform".
Nice to see. The last time I spotted more titles being added to the GOG Preservation Program was back near the end of July with the likes of Heroes of Might and Magic and more games. This time since it's only one game, they didn't do a big announcement but they did post it official to Reddit that I saw.
Check it out on the GOG store.
You should be able to run such classic retro games with Wine / Proton. Learn how to easily install games from GOG on Linux / SteamOS / Steam Deck in the GamingOnLinux guide.
In case you missed it GOG also just recently expanded their one-click mod program with more popular big mods.