Yeah but not in titles. Reddit has colorful, custom-emoji-capable flairs that can be edited after posting and set by the moderators. You can then click them and see only posts related to Factotio or whatever. Mandating the game title in a post title seems overly restrictive if flairs are available. (It is typical for AutoModerator to comment with “flair up please” if a flairless post is made to a community that uses them extensively.)