Knack II is an action-platformer game in which players control eponymous character Knack. Knack can punch, kick, change size, deflect projectiles using a shield, and has other combat abilities. It features a skill tree system where players can upgrade Knack's abilities by collecting Relic Energy found in levels. The game can be played cooperatively as well.
This article uses material from the Wikipedia article Knack II, https://en.wikipedia.org/wiki/Knack_II, which is released under the Creative Commons Attribution-Share-Alike License 3.0, https://creativecommons.org/licenses/by-sa/3.0/.