A nap on the sofa, a snack from the feeding dish, sharpening claws lackadaisically on the cat tree -- a house cat's day can be rather bleak. But now it's becoming more lively: With jaunty search and hooking games for fast ones, IQ tests and mental exercises for clever ones, and cat agility for acrobats. Bonus: with great cat toys to buy and make yourself. More than 50 ideas guarantee the best play evenings together. Denise Seidl is an expert for cat behavior and a in-demand professor in the animal psychology sector. She offers expert advice on radio and TV and knows how important games are for a house cat's psyche.