Nintendogs: Best Friends

Before entering competitions, save the game. If you do badly, turn the game off before the competition ends to avoid ranking loss. Note: Whenever this is done, the leader's score will change.

Teach your dog to sit and jump. While it is sitting, tell it to jump. Your dog should do a back flip.

Get 300 owner points to unlock the Balloon.

Give your dog a bath when the dog's information page for coat reads "Clean". This will also make the dog like you more.

When you go for walks and your at the map. Go out of it and go back into walk. Keep doing this until you have the question mark boxes all close together.

While walking your dog, the blue circles that appear represent places to go to the bathroom.

Get 10,000 owner points to unlock the Boxer breed at the kennel.

Teach your dog to spin and roll over. Make it roll over, then while it is on its back, tell it to spin. Your dog should spin around on his or her back, almost like it is break dancing.

There are five courses for each competition: beginners, open, expert, master, and championship.

Note that you can only enter three competitions in a day.