It doesn't work on linux :( It returns "error while loading shared libraries: libXcursor.so.1: cannot open shared object file: No such file or directory"
Edit: Ok, I made it work thanks to this https://github.com/godotengine/godot/issues/3129 ;)
Actual review: Nice game. The graphics and sounds set the mood really well. The enemies are easily exploitable, but it's fun to fight against them.