Moondust

Moondust is a non-canonical VR technical demo developed by Valve to showcase the functionality of the Knuckles EV2 VR controllers. The demo was released on June 21, 2018 and can be found on Steam under the name SteamVR Knuckles Tech Demos, rather than Moondust. Moondust consists of four mini-games.

Rock Crushing
Crush moon rocks to a fine powder with your powerful hands, taking advantage of the high-fidelity force sensors on Knuckles.

BuggyBuddy™
Practice driving a moon buggy, utilizing the joystick and the rest of the new inputs of Knuckles.

Space Station Construction
Assemble a space station in orbit, with fine interactions driven by all 10 fully tracked fingers

Throwing Range
Enjoy some target practice in the throwing range, with the most natural throwing VR can offer