A belated welcome to CYS~
Since my games have been recommended to you, I hope you enjoy them. If you like word puzzles / riddles / brain-teasers, then I suggest checking out Tower of Riddles by Briar_Rose--alternatively, her "Price of Freedom: Innocence Lost" game allows you to take on the role of a gladiator in training and won a writing contest a while back. Endmaster is one of our most popular writers, and dabbles a few different genres, but he excels at fantasy. Two of his most popular are Eternal and Necromancer--but do be warned that his games have some disturbing themes ...
Honestly, though, you can't really go wrong with any of the featured games / highest rated. They're the ones that, when you click Storygames, show up underneath the category names and are recognized as some of the best this site has to offer. The highest rated list is randomized, though, (due to there being a lot of really great games that can't all fit at the same time...!) so if you think you've read them all, try re-freshing a couple times. Enjoy. ^^
Also, if you have any questions about the site, the Help and Info section is great, the forums are usually active enough that you'll have someone to answer you at just about any given time, and if you get stuck on anything, you can feel free to drop me a line via PM.