It's a false positive. Ignore it by allow the executable. Otherwise, wait for an update to fix this since the game is under polishing right now it seems.
False positive like Trimint123 said; windows thinks almost everything is Wacatac for some reason -- they need to fix their detection. Saying this as another independent dev which keeps hitting this with my own software...
You could almost think MS is trying to kill all software that's not from the atrocious windows store. How anticompetetive of them. I am not surprised and switched to Linux.
