We just launched the 3.1.1 hotfix for Awesomenauts, fixing some issues players have been experiencing.
Patchnotes can be found here:
http://www.awesomenauts.com/forum/viewtopic.php?f=6&t=45463
If you encounter any issues, please report them here:
http://www.awesomenauts.com/forum/viewforum.php?f=13