Holiday project 2014, an atmospheric game and one of our first longer projects for webVR.
Designed for non-positionally-tracking headsets, and also works in normal browsers and for phoneVR (in the regular chrome browser on most modern smart phones, with or without a set of lenses like the google cardboard or Wearality).
For the phoneVR version, we tried a movement interface where you tap on the screen to set your forward movement speed. Tapping higher on the screen sets your movement speed faster, while tapping near the bottom will halt movement. Movement controls are the only controls, and events are triggered by collision.
Related blog post: http://elevr.com/child/