World Of Goo is a game about blobs -- black blobs, red blobs, sticky blobs, and dead blobs (among others) -- and it's the first brilliant original title for Nintendo's WiiWare service.

Naturally, it's not the blobs themselves that define World of Goo but what the two-man team at 2D Boy has done with them, crafting increasingly devious challenges that combine the sense of wonderment and boundless creativity of Loco Roco with the brainy play approach of Portal