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Itch.io is a vast digital storefront for independent game developers, boasting over 15,000 free NSFW games. It is a goldmine for NSFW interactive fiction because it allows developers to upload and share their games easily. You can find everything from simple text-based adventures to complex visual novels and RPGs. Itch.io's robust tagging system helps you find exactly what you're looking for, whether it's a "male-to-Futanari CYOA" or a "transformation-focused" text RPG. nsfw cyoa interactive link
Users start with a set budget of points to spend on attributes, perks, companions, and items. boasting over 15
: Perhaps the most comprehensive resource, this site features a searchable database of both SFW and NSFW titles created using MeanDelay's "Interactive CYOA Creator". nsfw cyoa interactive link