Portal 2 turned 10 years old this week, giving us the perfect excuse to return to its timeless (and arguable unsurpassed) puzzle-platforming gameplay. But for those who know the game’s levels like the ...

A recently released fan mod for Portal 2 adds 40 new test chambers for players to wrap their heads around, including new mechanics and a brand new story. Portal: Revolution was developed by Second ...

It's no secret that when Valve initially conceived of Portal 2 it didn't have portals. Or at least it didn't have a portal gun. Now, Valve superfans have created their own modded campaign that follows ...