Lost in 3-D

*Navigate a 3-D underground maze
*Gain extra strength by acquiring 'power source'
*Enter the 'portal' to escape the darkness

http://www.amazon.com/PTIS-Lost-in-3-D/dp/B018H5XEHK/ref=sr_1_2?s=mobile-apps&ie=UTF8&qid=1448911298&sr=1-2&keywords=PTIS