Portal 2 puzzle maker now works with co-op, current owners get coupons to share

Either a temporal anomaly has disrupted Valve Time, or Valve has just been very busy. Not only has it announced and launched Team Fortress 2's Mann vs. Machine mode and the closed beta of a big Steam community update , it's updated Portal 2's free Perpetual Testing Initiative with support for co-op puzzle creation and a new Quick Play feature.

In addition, current owners of Portal 2 will receive 75% off Portal 2 coupons to share with friends. The coupon isn't in my Steam inventory, but others are reporting that they've found it, so have a look. If all of your friends already own Portal 2, why not check to see if any sad, Portal 2-less souls are hanging out in our Steam group ?

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Tyler grew up in Silicon Valley during the '80s and '90s, playing games like Zork and Arkanoid on early PCs. He was later captivated by Myst, SimCity, Civilization, Command & Conquer, all the shooters they call "boomer shooters" now, and PS1 classic Bushido Blade (that's right: he had Bleem!). Tyler joined PC Gamer in 2011, and today he's focused on the site's news coverage. His hobbies include amateur boxing and adding to his 1,200-plus hours in Rocket League.