*Somewhat Spoiler Info*
Darn I thought that phone number was another math equation and went off course:(, another than that all puzzle was fun to me.
Sorry Menu thing not fix as of the time I play. But if you played Chapter 1 you can figure out where the option sort of goes.
Lastly, even though I found all the cards before I solve anything else, I still do not know what they do.
...
I cried a little when xxxx oooooo was mentioned...
Great job VasantJ for breaking into the 3D world! I also like the way the game mentions how many clues needed to advance to the next stage.