 In March 2011, Psyonix confirmed that there was a sequel in development, but that it was far from completion due to them having difficulty pitching it to publishers or acquiring the finances required to self-publish.In September 2013, Psyonix announced more details, saying that there would be a free alpha version released for testing and improvement on the PC, before being ported to consoles.The game, "Rocket League", was released for the PlayStation 4 and Microsoft Windows on July 7, 2015, and for other platforms at later dates.