The free spins round then begins, with the green crystal symbol in the re-spins round adding a random number of spins between 1 and 10 free spins. Plus, the red sticky wild crystal symbol adds 1 to 5 sticky symbols, while the blue win multiplier crystals add a 1x or 2x multiplier to your payouts during free spins. The purple mystery crystals can also fall, adding a random number of 5-50 mystery symbols to the collection.