Try to pet every cat so they won't leave the garden! Use power-ups if necessary. It's all about reflexes in Party Cats: Pet the cats to stop them before they leave the garden and try to enter PARTY mode by petting them all without a single miss!
Frost: Freeze the cats on screen for a few seconds to pet them easily, but be careful!: Once the time is over, the cats will keep on partying!! Doggy: A guard dog you can place on the right end of the screen and will chase the cats that come close to him. It's very effective!!