E-Sports, Intel, and Oculus are partnering to bring Echo Arena to you free for a limited time when it launches on the Oculus Rift. This weekend from June 23rd to June 25th the open beta is available for any Oculus Rift and Touch owner to try.
Echo Arena is essentially the space sports game from the movie Ender's Game. The official Oculus description is
In Echo Arena, you’ll join a team of up to four other players and face off against the competition in a zero-gravity clash of robotic glory as you glide, boost, and punch your way to scoring goals in a breathtaking virtual arena.
The game supports full 360-degree tracking and requires Oculus Touch.