The gameplay in Knack 2 is fast-paced and action-packed, with an emphasis on exploration and combat. Players control Silver as he navigates through various environments, including abandoned buildings and ruins. The game features a unique "knack" ability, which allows Silver to temporarily transform into a more powerful robot form, giving him increased strength and agility. With a variety of weapons and upgrades available, players must strategically use their knacks to overcome enemies and progress through the game.