Hellvibe is free VR game with neat puzzle box you need to solve to set yourself free.
Multiple controllers supported: Leap Motion, Mobile Device and Mouse
Rift specs apply:
NVIDIA GTX 970 / AMD 290 equivalent or greater
Intel i5-4590 equivalent or greater
Oculus Version 1.9(SDK 0.7.+)
You can play with one of these supported controllers:
Leap Motion 2.3.1+
1. Install Controller application: www.eligogames.com/hv/control.apk.
2. Important! Connect phone to Wi-Fi network the same local network you PC is connected to.
3. Run app on your device, play the game, use swipes to rotate cube, touch to control elements, touch and drag to rotate elements.
Click and drag to rotate the cube, click to control elements, use mouse wheel to rotate elements.