- Welcome to a fun-filled and hugely varied world of combat, platforming and puzzles, where the size shifting hero Knack is powered up and ready to save the day in an action-packed platforming adventure sequel.
- Shrink to traverse tight passageways, sneak into tiny entrances and dodge enemy attacks or add to Knack's mass and become a colossal golem capable of smashing your foes. Unleash over 20 different moves from dazzling kicks and punches to devastating body slams and long range grab attacks.
- Learn tricks and gain powers as you battle the goblin army. Discover hidden areas and collect lost gadget parts to create different items.
- Collect ancient relics to gain immense size and strength. Bring a friend along to help in two-player co-op mode.