Every player starts with the Dachshund, Golden Retriever and Beagle. All of the other dog breeds can be unlocked by doing following things:

• Chihuahua – Unlocked at Start
  
• Norwich Terrier – Clear 250 Cards
  
• Pomeranian – Collect 10 Coins
  
• Pug – Unlocked at Start
  
• Norfolk – Unlocked at Start
  
• Scottish Terrier – Break 30 Fences
  
• Corgi – Earn over $5,000
  
• Bulldog – Use a Spare
  
• Bull Terrier – Play for over an hour
  
• Boston Terrier – Collect 30 Coins
  
• Irish Jack [Hybrid] – Own a Corgi & Parson Russell
  
• Parson Russell – Clear 5 squirrels
  
• Puggle [Hybrid] – Own a Pug & Beagle
  
• Pitbull – Break 5 Fences
  
• Springer Spaniel – Earn over $2,000
  
• Poodle – Unlocked at Start
  
• Blood Hound – Collect 50 Coins
  
• Shiba Inu – Clear 100 Cards
  
• Border Collie – Get a Combo of 15
  
• Sheltie – Use 5 Spares
  
• ChowChow – Play for over 30 minutes
  
• Rough Collie – Own a Sheltie
  
• Chesapeake Bay Retriever - Own a Black Lab & Golden Retriever
  
• Labrador Retriever – Clear 500 Cards
  
• Labradoodle [Hybrid] – Own a Black Lab & Poodle
  
• Australian Shepard – Clear 1500 Cards
  
• Schnauzer – Clear 2000 Cards
  
• Huskie – Clear 750 Cards
  
• Boxer – Clear 300 Cards
  
• Dalmation – Play 20 Spares
  
• Doberman Pinscher – Play for more than 2 hours
  
• Rotweiler – Get a Combo of 21 or more
  
• German Shepard – Fetch 5 balls
  
• Bernese Mountain Dog – Clear 1000 Cards
  
• Greyhound – Your fastest perfect is under 1:30
  
• St. Bernard – Earn over $10,000
  
• Great Dane – Break 20 fences

Loyal abilities are passive and will automatically activate. These abilities are unlocked by completing hands with an equipped dog.

Fiver – Dogs with this ability will spawn a $5 coin at the start of every hand. This extra loot will be added to your total cash.
Toy Finder – This ability will automatically reveal any spare toys and items in the playing field. Left-click on these spares to collect them and add them to your inventory.
Sniffer – At the start of each hand, additional cards will be flipped over so that you can better plan out your combos.
Energy Boost – The bone meter will start a little filled. This ability is great to have on later levels.
Party Pooper – This ability gives you an extra poop bag (undo) every hand. You can save up these undos and use them at a later time or even with another dog.
Squirrel! – This ability automatically chases off any squirrels in the playfield.
Escape Artist – This ability will automatically break all of the fences in a hand.
Retriever – This ability creates a ball indicator so that you can easily locate where a tennis ball is hidden.
Trainers Delight – Every hand you will earn a free training treat that can be used in the training treat mini-game.


Trained abilities are unlocked by training your dog via the dog selection screen. Once you fill a dog’s obedience their trained ability will be unlocked You can tell when you have a Dog’s trained ability unlocked because an ability bar will appear to the left of your dog in the bottom left-hand corner of the screen. As you flip through the deck, your dog’s ability bar will fill up. When the ability bar is full, leftclick on your dog to activate their trained ability. Every trained ability is different and sometimes requires another click to use it.

Nip – Randomly clear a card from the playfield. Left-click on your dog and a randomly selected card from the playfield will be cleared and change your dog pile.
Dig - Dig under a fence of your choosing. Left-click on your dog to activate the ability and then left-click on a fence in the playfield to break it. No dig card required!
Cha-Ching - Creates a coin bonus pick-up. Left-click on your dog to create a $5 coin out of thin air.
Play Time - Randomly changes discard pile. Left-click your dog to randomly change the dog pile discard value. You may get lucky and extend your combo.
Combo Boost - Add 5 to your current combo factor. Left-click your dog to instantly add 5 to your current combo.
The Big Dig - Reveal everything in a Card Stack. Left-click your dog and a vertical line of particles will start streaming out of your cursor. Left click when you have this vertical line setup over cards that you want revealed. When you left-click, all of the cards in that vertical line will be flipped over.
Herd - Clears a card number from the playfield. Left-click on your dog and then left-click on a card in the playfield. That card and any other cards with the same value will be cleared. If you click a 7, all the 7s will clear from the playfield.
Clownish - Randomly bumps 3 cards from the playfield. Left-click your dog to randomly clear 3 cards from the play field.
Hunter's Instinct - Extends a combo. Left-click your dog to change your dog pile discard value to a card that will automatically extend your existing combo.
Bite - Clear any card from the playfield. Left-click your dog to activate bite. Then left-click a card that is flipped over and currently blocking your progress. The card will clear to your discard pile.

This info was taken from BiSS Guide, which you can find here: .../steam/steamapps/common/DogSolitaire/BestinShow Guide.pdf