Portal 2 beta levels have always been a tightly-held secret on Valve's part, with the Steam developer having kept a secure lock on development assets from their beloved puzzle game series. A previous ...

Valve has surprised everyone today by releasing a brand new update for Portal 2, which has removed the 100MB Workshop level file size limit. This means custom level makers can now indulge their inner ...

Valve has opened up Portal 2's Perpetual Testing Initiative - mod tools for user-created levels - to co-operative play. Previously, user-generated levels were restricted to single-player only, which ...