#3 Wheatley, Portal 2 [Spoiler]
A proper ending to a game with a lot of build-up, the final fight in Portal 2 is one as epic as it is witty, full of quips from both GLaDOS and Wheatley himself. Spaaaaace!
19 Most Brutal Boss Thrashings in Video Games
From Dark Souls to Mortal Kombat, we take a look at some of the toughest boss fights ever.
