06:00:37 PM Nov 17th 2013
TF 2 is a perfect example of modern asymmetrical multiplayer in not only the class system but a number of the game modes. Each class plays completely differently then the other classes, and some maps have an attacking and a defending team. The key component to asymmetrical multiplayer is not "are the goals fundamentally different" but "is the gameplay fundamentally different" to which, in this case, the answer is a clear and certain yes. Read some of the examples in the asymmetrical multiplayer page.