Before Ubisoft devotes real resources to the virtual reality craze, the publisher will need to see a significant number of people adopt the hardware, an executive said at GDC.

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During a roundtable, the subject of VR was touched upon by Ubisoft's Vice President of Creative, Lionel Raynaud, GameSpot reports. Raynaud said, "VR would need to sell at least 1 million units to be viable for development."At this stage, the market for VR headsets is very much unclear due to its availability. Earlier this week, Sony announced its VR headset , Project Morpheus, which is primarily designed as a PlayStation 4 peripheral. The unit is still in the prototype phase, and, as such, is not expected out until next year at the earliest. The Oculus Rift, meanwhile, is still only available as a development kit, and while a new version is on the way , there is still no official release date for a consumer-oriented model.IGN got the chance to go hands-on with Project Morpheus at GDC; you can read our impressions here . You can also check out our impressions of the newest version of the Oculus Rift in the video below.

Chris Pereira is a freelance writer who spends his spare time agonizing over the final seasons of The X-Files. Check out what he's saying on Twitter and follow him on IGN