The back half of Portal 2 is full of some of gaming’s toughest puzzles. Although they can be tricky to wrap your head around, they’re also supremely satisfying to finally solve. The only unfortunate ...

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 ...