See Achivements...

[_The13thDoctor_]

Ability to see achivements and challenges in a pre-game lobby so you can see what you can do ;)

 

[Makanaski]

Sounds good, I always have to quit and rejoin to see what achievement I can do xD

 

[DaHammy]

Well, I don't really try to get the achievements but, I'm pretty sure it would be useful for those that are trying to get achievements :)