Steam Summer Sale 2016 Master List 2: The Squeakquel

We need to compile a list of multiplayer games we all need to buy during the summer sale. This was we can avoid the "Lets play X, oh, so-and-so doesn't have that, lets just play TF2" that always happens whenever we try to play something.Current Essentials list:- Rocket League (Anthony)- Payday 2 (Anthony)-Dying Light