A guide on how to change the Russian font has been published (if you're having trouble): https://steamcommunity.com/sharedfiles/filedetails/?id=3692104622
Guide to Changing the Russian Font in “Spooky Monster”
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.