Stacking is a downloadable puzzle game produced by THQ and Double Fine Productions. Players take on the role of Charlie Blackmore, a tiny Russian stacking doll who must use his unique abilities to solve various puzzles in order to progress through the game's narrative. As Charlie progresses, he can collect additional dolls with their own special abilities, which allow him to complete increasingly complex puzzles. The visually stunning world and carefully crafted storyline make Stacking an immersive adventure perfect for those looking for a challenge.