This version is unofficial. and shouldnt be supported. Its also OUTDATED. missing alot of features. and characters.
Download its OFFICIAL Place: https://gamejolt.com/games/ultracustomnight/497721

It is official, but not updated quite as frequently. There is also a link to the GameJolt page on the itch.io page.

Although I would still recommend downloading it on the GameJolt page as this is still outdated