Awesome, glad you're having a good time with it! There's a lot of depth to the puzzles if you want to explore it, trying harder puzzles with 4 and 5 pegs, learning new techniques to solve them faster and building up your rank. But honestly you can just finish the game with 3 and 4 peg puzzles and the Pokemon will love you for it, because it means you spend more time with them 😀 so I hope you'll come back and explore the game however you like! There's a lot of cool stuff.