Co-op RTS Dwarfheim is going offline, and the singleplayer mode can't be saved because nobody has the source code

pcgamer.com:

The co-op RTS Dwarfheim came to the table back in 2020 with some interesting ideas. Unlike most games in the genre, in which one player controls one base and does battle with all comers, Dwarfheim enabled groups of up to three to run their show together, each with a unique role: Builder, Miner, or Warrior. But it never really caught fire through its early access period or after its full release in September 2021, and the team maintaining it has announced that it will close up shop for good at the end of November.

I say «maintaining it,» because active development ended long ago. The last game update listed on Steam was a hotfix released in October 2021, a month after Dwarfheim went live, and the only news since then related to a service outage in 2022. As it turns out, developer Pineleaf Studio dissolved shortly after Dwarfheim's full release, and publisher Merge Games says it can't make any new updates itself because it doesn't have the source code.

Merge has been keeping the servers up so people can continue to play the game, but said in the announcement that it is «no longer feasible» to continue doing so, no doubt due to the fact that the average concurrent player count throughout 2023 has been just slightly shy of three. Sales of Dwarfheim have already been halted, and server support will be ended on November 30.

Dwarfheim actually has a singleplayer mode, but even that won't be available once the servers go offline. Some of the remaining player base aren't happy about that, and a few asked Merge Games to patch in some sort of standalone mode. Sadly, that can't be done: «Due to the way Dwarfheim was built it is not possible to play the game without servers, and without the development team, or the source code,