In this game, you choose a Pokémon that you would like as a pet. Then, you give the person above you a bad reason for their choice of pet. It's pretty simple but here's an example.
Player 1: I choose Magikarp as my pet!
Player 2: All Magikarp can do is Splash! He can't do anything! I choose Charizard as my pet!
Player 3: His tail may set your house on fire! I choose...
And so on. Let's Begin!
Your choice of a pet is a pretty bad one because it's non-existant! I choose Volcarona as my pet!