Steam Celebrate Successful Portal 2 Perpetual Testing Initiative With Major Titles Discount

Valve, creators of best-selling game franchises (such as Half-Life and Counter-Strike) and leading technologies (such as Steam and Source), today announced the early findings of the Portal 2 Perpetual Testing Initiative. Released just days ago, The “Perpetual Testing Initiative” has already resulted in the creation and publishing of over 35,000 user-created maps, collectively consumed via […]