sheetsda writes: "E3 Footage from Portal 2 is now available for viewing on Steam. A slew of new physics-based gameplay mechanics and their interaction with portals are shown including lasers, bouncing goo, and blackhole-like suction pipes. Looks like Valve has another winner on their hands."
The first 90% of a project takes 90% of the time, the last 10% takes the
other 90% of the time.