What dogs can you unlock on Nintendogs chihuahua?

Well you can unlock dogs by getting more trainer points and it is different in each game.

On the game

Dachshund & Friends

Collect 2,000 Trainer Points - Yorkshire Terrier

Collect 4,000 Trainer Points - Shiba Inu

Collect 8,000 Trainer Points - Cavalier K.C. Spaniel

Collect 10,000 Trainer Points - Pembroke Welsh Corgi

Collect 14,000 Trainer Points - Shetland Sheepdog

Collect 16,000 Trainer Points - Miniature Schnauzer

Collect 20,000 Trainer Points - Boxer

Collect 22,000 Trainer Points - Toy Poodle

Collect 30,000 Trainer Points - German Shepherd

Collect 35,000 Trainer Points - Miniture Pinscher

Collect 45,000 Trainer Points - Chihuahua

Collect 50,000 Trainer Points - Labrador Retrieiver

Find the Fireman Hat item - Dalmatian

Find the Jack Russell Book - Jack Russell Terrier

Labrador & Friends

Collect 2,000 Trainer Points - Pug

Collect 4,000 Trainer Points - German Shepherd

Collect 8,000 Trainer Points - Shih Tzu

Collect 10,000 Trainer Points - Boxer

Collect 14,000 Trainer Points - Beagle

Collect 16,000 Trainer Points - Shetland Sheepdog

Collect 20,000 Trainer Points - Golden Retriever

Collect 22,000 Trainer Points - Cavalier KC Spaniel

Collect 30,000 Trainer Points - Husky

Collect 35,000 Trainer Points - Yorkshire Terrier

Collect 45,000 Trainer Points - Dachshund

Collect 50,000 Trainer Points - Chihuahua

Find the Fireman's Hat on a walk - Dalmation

Find the Jack Russel book on a walk - Jack Russel Terrier

Chihuahua & Friends

Collect 2,000 Trainer Points - Miniature Pinscher

Collect 4,000 Trainer Points - Siberian Husky

Collect 8,000 Trainer Points - Toy Poodle

Collect 10,000 Trainer Points - Golden Retriever

Collect 14,000 Trainer Points - Miniature Schnauzer

Collect 16,000 Trainer Points - Beagle

Collect 20,000 Trainer Points - Pembroke Welsh Corgi

Collect 22,000 Trainer Points - Shih Tzu

Collect 30,000 Trainer Points - Shiba Inu

Collect 35,000 Trainer Points - Pug

Collect 45,000 Trainer Points - Labrador Retriever

Collect 50,000 Trainer Points - Dachshund

Find the Fireman Hat item - Dalmatian

Find the "Jack Russell Book"- Jack Russell Terrier

Dalmation & Friends

Cavalier K C Spaniel - 2,000 Trainer Points

Chihuahua - 8,000 Trainer Points

Labrador Retriever - 45,000 Trainer Points

Miniature Dachshund - 50,000 Trainer Points

Miniature Pinscher - 30,000 Trainer Points

Miniature Schnauzer - 20,000 Trainer Points

Pembroke Welsh Corgi - 10,000 Trainer Points

Pug - 16,000 Trainer Points

Shetland Sheepdog - 4,000 Trainer Points

Shih Tzu - 35,000 Trainer Points

Siberian Husky - 22,000 Trainer Points

Toy Poodle - 14,000 Trainer Points

Hope this Helps!