Co-op Mode
StarCraft 2 co-op commander Alarak and multiplayer changes
Starcraft II is set to introduce some changes to how Legacy of the Void multiplayer works.
Is a new co-op mode coming to Hearthstone?
According to datamining on HearthPwn, there are some new test strings in the Hearthstone code that suggest a co-op mode may be in the works.
Allied Commanders co-op mode coming to StarCraft 2: Legacy of the Void
Coming in StarCraft 2's upcoming Legacy of the Void expansion is the all-new Allied Commanders cooperative mode which allows you to play as Raynor, Kerrigan, or Artanis, working together to accomplish goals that would be impossible alone.