Test Chamber 16 is Portal 2‘s final main puzzle room and it’s definitely one of the game’s trickiest. It combines excursion funnels, repulsion gel, and turrets in a way that can stump even the most ...

After peering down at Wheatley's failed experiment, turn around and look at the bottom left side of the wall behind you and you'll see a broken grate. Portal through it, and follow the walkway into ...

Portal 2 is the follow up release to Valve's iconic portal-based first-person puzzle game. This time, players can embark on a new adventure against the punishing A.I. GlaDos, with a new companion ...

The last four puzzles of Portal 2‘s eighth chapter are hands down the toughest in the entire game. Because there are so many elements in each test, they’re extremely complicated and can slow the ...

As Wheatley confronts you with his spikes, fire a portal through the broken wall behind him. After a moment, white gel will begin dripping onto another surface. Fire a portal beneath the drips, and a ...