A Linux version is foreseen and some folks have already compiled the source files (which are open-source) under Ubuntu.
We are planning to release the demo under windows in the coming weeks. Until we release an official linux version, if you want, you can try to compile the source yourself like they have done on this website :
bravach
Corentin joined
Videogame enthusiast and amateur developer since 8 years, I'm working on Holyspirit as a game designer and lead 3D graphics designer. As about my job, I'm an industrial engineer in automation so my hobbies are about robotics, machining, firearms, ...