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The Crystal Key

The Crystal Key

Players solve puzzles and complete challenges on their journey through an ancient mystery world of magical crystals and fantastical creatures.  

Development of this game was funded by the National Science Foundation.  

art by Lekshmi Bose


Kaito B, CA

“Usually I can't see 3D in movies, but I can see 3D in The Crystal Key.  I feel my eyes getting stronger."

Jane Urbina, Los Angeles Unified School District

"I have seen my 3rd graders improve dramatically after this training.  I saw improvement in reading scores and more confidence in public speaking."

James T, FL

I've never hit the ball better on fairways or greens. I had 21 putts in 18 holes; before I was over 40. Wow!“”

Please Note:

"The Crystal Key" VR game is designed to provide an engaging experience to enhance eye coordination skills. However, this game is not a medical device and should not be considered as a replacement for professional medical advice, diagnosis, or treatment.


If you have any concerns about your vision or eye health, we strongly recommend seeking advice from a qualified eye care professional.  To find an optometrist who specializes in binocular vision, please visit, the College of Optometrists in Vision Development.  They can provide a comprehensive evaluation of your visual abilities and determine whether vision therapy or other medical interventions are necessary.

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