This is a Walkthrough for the puzzle game World of Goo which will give you the solution for each level and a mini review. The guide is written mainly for the Wii version, but it's also useful for the PC version. World of Goo is a physics based puzzle / construction game. The millions of Goo Balls who live in the beautiful World of Goo don't know that they are in a game, or that they are extremely delicious.