The 2D Boy Website now offers a playable demo for World of Goo, the indie puzzle game that recently hit the tubes (story). The demo includes the entire first chapter of the game. Also, as noted on Rock, Paper, Shotgun, the game is not available on Steam for European users, which is explained as some sort of contractual accident. On this topic, however, 2D Boy points out that the version for sale on their website "is 100% region free."