World of Goo is a physical construction puzzle.

The gameplay consists of creating different shapes of goo balls. In total, the game has 47 levels. And, what is remarkable, each level has stylized visual and musical themes, what gives the game a unique atmosphere.

There is another bonus level called World of Goo Corporation. Its essence is to build high towers with the help of extra balls goo, which the player managed to collect during the passage of the other levels.

The primary goal of the game is to bring the required number of goo balls to the pipe which is the exit. To do this, the player must use the goo balls to build various structures such as towers and bridges, to overcome gravity in different places such as dungeons, hills, abysses or rocks. There are several types of goo balls, each of which has unique properties. The player must combine them to complete each level.