Portal 2 Perpetual Testing Initiative Arrives!
Get creating and sharing, the Perpetual Testing Initiative DLC for Portal 2 has arrived on Steam!
The easy to use tools will allow players to create and share their very own Portal 2 test chambers across the PC/Mac community. The maps will be shareable via Steam and best of all, the DLC is free.
It is available to download now, so go get it! Also, we bring the good news that Portal 2 has sold over 4 million copies since it’s release last year! Congratulations to Valve.