This is likely because you selected a “Preferred Platform”. Unfortunately, preferred platform is a system that only makes sense for video games that are built to run on a specific operating system. For tabletop games, most entries have no platform set, so you inadvertently filtered out the majority of the submissions.
We’ve added the ability to reset your preferred platform, please do so here: https://itch.io/jam/shadowdark-independent-game-jam/unrated
You should then be able to access the remaining submissions in the jam