Looks like you forget to put executable in a folder, linux and windows both...
Viewing post in Mass Affect jam comments
Good news is I've fixed the issue and the .exe is ready to be added. The bad news is that the submissions are locked for editing while they're being judged. I'm trying to find some help within the GMTK discord to see if there's anything I can do but unfortunately might have to wait until they're unlocked :(