I tried out the just released
World of Goo Demo, and it's great. The Demo only has 32 MB and is worth a download. World of Goo plays a bit like a mixture of
Lemmings and
Bridge Builder, with a strange but amusing and entertaining art style and very innovative levels. From a technical perspective, the way everything is done is quite interesting: The videos, the goo, the levels.
World of goo uses a physics engine (
ODE) and as it seems 3D accellerated 2D graphics, (
SDL with parts of a game framework I've never heard of -
PopCap Games Framework). I personally also like the music and the cool sound effects, they are creating a very nice atmosphere. And that all the sound is generated by
irrKlang makes the game even more likable for me :)
I had pre-ordered the game and i can recommend it. Made it through the game a little fast for my taste, but it was cool. Can't wait for the pc-version of Braid to be released now. :)