Playing
Jumping
Balance beam.
Hiding,
Wrestling
carpeted cat tree mastering and maneuvering
Crazy style stair racing
Agility course (any of the above 'playing' activities combined)
Dog herding (any activity that results in the cat controlling the dog in some manner)
Water sports in sink, toilet or shower

Eating
Treat eating, Singles, doubles and team.
Begging, singles doubles and team




Sleeping


Synchronized sleeping-singles, doubles and team.
Sleeping crazy spots.


I probably posted a few too many. Please feel free to delete any that you see fit! lol