Installs through Steam just fine. And the intro runs well, too. But it crashes once it reaches the main menu screen.
A brigiton.exe.log file is generated and the error is:
Traceback (most recent call last):
File "main.py", line 80, in <module>
File "main.py", line 35, in main
File "main.py", line 69, in gamemain
File "faceEngn.pyo", line 83, in RunFaces
File "startupFaces.pyo", line 523, in TransitionIn
File "constraints.pyo", line 78, in Pigeon
NameError: global name 'exit' is not defined
It's such a pity that something built in Python is not cross-platform :(