is a critically acclaimed physics-based puzzle game developed by 2D BOY, but it is not legally available as a free download for the full version.
: It has previously been offered as a "Free Game of the Week" here, so it's worth checking if you already have it in your library. GOG.com : Offers a completely DRM-free version of the game. About the Game world-of-goo-pc-game-free-download-full-version
Originally released in 2008, World of Goo task players with dragging and dropping living, squirming, talking globs of goo to build structures, bridges, cannonballs, and giant tongues. The game is celebrated for its unique art style, hauntingly beautiful soundtrack, and surprisingly deep satirical narrative about corporate greed and environmentalism. World of Goo 2 hauntingly beautiful soundtrack