Valve update adds co-op puzzles to Portal 2 level creator
Aperture Science’s “Perpetual Testing Initiative” has just undergone a major expansion. An update forPortal 2released today which allows users to now create puzzles requiring cooperative play to add to the more than 170,000 single-player levels the community has already created since the creation tool was released this May. In addition, a new “Quick Play” option has been implemented which provides easy access to the top-rated maps across a range of categories....