Hey, nice game! It has a bit of a Alice in Wonderland feel to it, which I really like. Graphic is quite awesome, though I was a little confused why Jane's mother would have a male npc graphic. :P Music and sound effects are great! I wish the message window wouldn't stop the music from playing though.
I feel like you did a decent job of telling the player what the controls are by displaying the info on the screen here and there. But I must have missed the instruction somewhere on how to use the pendant, I was not able to transform and see the other world. While looking for a reminder of what the game controls are in the game menu, I found going from keyboard to mouse control a little awkward. If you go further with the game, might be nice to consider doing the menu in keyboard too?
Overall I was quite impressed on what's in the game. Though I was not able to see the other world, I can see the creatures floating semi-transparently in the background and that was a neat detail. I also thought the animation and sound effects you use for the spiritual safe spot is quite magical. :D