World of Goo is a physics-based puzzle video game developed by 2D Boy. Players build structures using balls of goo to reach a goal, navigating various challenges and obstacles in each level. The game features a unique art style and engaging gameplay mechanics that encourage creativity and problem-solving. The game consists of multiple chapters, each introducing new types of goo balls with different properties. Players must strategize to construct stable structures while managing limited resources. World of Goo has received critical acclaim for its innovative design and has won several awards since its release in 2008.