Become the best Pokémon trainer ever! Collect 107 memorable Pokémon with the Trainer Guess Sinnoh Edition. Test your Pokémon knowledge with the Sinnoh Edition! Think of a Pokémon and answer the questions. Trainer Guess will guess which Pokémon you're thinking of. WOW! Press the button of the trainer Guess and talk. Trainer Guess tries to guess the Pokémon you're thinking of. Guess well? Add the Pokémon to your collection and cross it off in your Trainer Field Guide!