As you will know, the game of croquet involves getting a ball through a metal hoop. The aim in cat croquet is to get the cat through a hoop without handling it. If the cat goes round the hoop, it is one point to the cat, and if it goes through, it is one point to the player.
You are allowed to use a bait or lure to tempt the cat through the hoop. In the game recorded below blue string was used and for championship games an independent judge should be present to assess the suitability of the bait or lure. This person is called The Officer of the Lure.
The game ends when the cat loses interest.
Here is a typical game in progress: