Portal 2 Tips and Cheats - Overclocker Trophy
Posted: July 12, 2011
Portal 2 is full of challenging puzzles, and that's great, that's what the game is all about. Some, however, are just plain maddening. The Overclocker achievement is one of these, but luckily Kristin Adams has the tips you need to hoist the trophy.
Games in this Video:Portal 2 (PC), Portal 2 (Macintosh), Portal 2 (Xbox 360), Portal 2 (PlayStation 3)