Rocket League's basketball mode coming in April!
Rocket League's basketball mode IS real, coming next month as part of a free update with an aptly approtiate name for it "Dunk House" said to be out just in time for the NBA playoffs.
Prepare to slam dunk next month!
Grab Rocket League today and prepare for shooting hoops!
Source: http://www.polygon.com/2016/3/30/11330522/rocket-leagues-basketball-mode-launch-date