I'm working on the second level for a mod called The Creation, which is a Crysis modification. It will have many custom features such as custom models, textures, many assets, a custom nanosuit, knife assassinations, slow motion ability, an engaging storyline, and much more.
We believe that FPS's are losing in one big area that adds a ton to the whole experience, and that is an excellent story. Our mod will be extremely story-driven, but will also have many custom gameplay elements. The gameplay will be visceral and intense, while the storyline will be deep and intriging.
Hope you guys look forward to it's completion, I know I sure am.