http://fdiland2k23drdjqmxgmnjmzb47s3ildy5wyh5t4gk2tgjo3yfdffyyd.onion/kemono/catalog.html
So you'll have to manually scour the "furry" tag, search results, and user-picked collections for kemono and kemonolike games. 日本語のケモノノベルゲーム is an example of one such collection.
Also, keep in mind that 18+ games and authors will be unlisted in searches and recommendations.