itch.io

Sorry to hear that. The game should create a log file (retroactive.log) in your AppData folder (just type in %localappdata% in windows search box to find it quick on windows or go to -probably- $HOME/.local/share or /usr/share/ on Linux). If you'd share that log I'll know what went wrong, alternatively you can run it from source and paste the trackback printed to the console- should be the same as the log file.

You'll probably have to wait till January for the fix.