Rocket League's Xbox One and PC editions will link up later today as cross-platform play is enabled.
An update will unlock the feature at 11pm UK time tonight. Cross-platform matching in multiplayer games can then be toggled on or off depending on your own personal preference.
The long-promised move makes footballing car success Rocket League the first game to offer cross-platform play between PC and Xbox One.
Rocket League has allowed for play between PS4 and PC versions since its launch.
"Because PC is an open platform it's much more straightforward," Sony Worldwide Studios' Shuhei Yoshida previously told Eurogamer. "Connecting two different closed networks is much more complicated so we have to work with developers and publishers to understand what it is they are trying to accomplish.
"We also have to look at the technical aspect - and the technical aspect could be the easiest. We also have to look at policy issues and business issues as well."