Here's a few ideas, and of course, these can be personalized to match your wedding scheme.
Cornhole, bocce, croquet, balloon darts, ladder ball, frisbee golf, and badminton (might get a little sweaty with this one).
Any more ideas out there!?
(pictures: cornhole, sign, collage, balloons, sign, bocce, badminton, silhouette cornhole, ladder ball, frisbee)