But it's hard to think of anything more you could possibly want from a puzzle game. World of Goo is breathtakingly fresh while built on the foundations of genre classics. It offers a gentle challenge as you make your way through its seasonal chapters the first time, and then a fiendish one as you try to fathom quite how it's possible to attain the OCD targets. And while it's doing all that, your spirit soars, elevated by the depth of love that's gone into it, and pours out of it. The addition of a social way to play is the cherry ice cream with cherry sauce and real chunks of fresh cherries on top.