Rules #28: Cosmic Eidex
Slideshow Review - BGG Listing
The crazy mixed up trick-taking game! It's trick-taking, but turned all upside down and inside out. More than anything else, it is characterized by the exceptions to the usual trick-taking rules. A bit "mathy", but still a lot of fun.
All images are from www.boardgamegeek.com; some are screenshots of the player aids (sometimes modified).