"The game is very close to being finished. I don’t have a set release date yet, but it will certainly be out this year. Single player is 99% finished, but needs a more polishing and debugging. Multiplayer still needs some work, and I am looking into possibly switching to MonoGame, which would allow for a Mac and...
"...which would allow for a Mac and Linux release."
Honestly it seems odd for an indie title not to have Mac and Linux releases these days. I hope they decide to do this.
It seems highly likely and fans really love it so I imagine it will happen as some point. But yeah, it seems Mac and Linux are par for the course for Indies these days.