A VR headset is required, unfortunately. It is explicitly designed with a motion-tracked head and controllers in mind.
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Howdy~ Sorry to say that there aren't any comfort options. :( Getting the game up and running was the biggest priority for this student team, so they didn't get a chance to implementing those sorts of things.
There aren't any plans to any further updates to this at the moment, but we'll let you know if it gets updated. We'll also make a note of this for future VR projects at AIE!