Use the arrow keys to move the gem. Change costumes by using the B and space keys. Touch the arrow to advance to the next level. If you touch the walls or the lightning then go back to the beginning of the level. Get to the portal at the end of the fifth level to win.
I made the maze and black boxes. The lightning, the crystal, and the lightning came from scratch. The portal came from https://www.pinterest.com/pin/342203271663134343/