After receiving a fairly amount of feedback and questions about bringing Gunnheim to other platforms as well, Mac & Linux / steamOS versions are now available with Cross-Platform multiplayer enabled! 
Also a small fixes included
- Fixed issue where Odin tank smash damage was coming from wrong position
- Fixed issue where red button on Penthy fight wasn't working always
- Fixed issue where vsync was not set after restart
Next up: Content update, stay tuned!
Awesome! Thank you for supporting Linux!