When a Super Gem lands on the top reel, it transforms all gems in view into the same random gem.
The Free Spins Bonus activates when 4 or more bonus symbols land in view triggering the free spin bonus with 12 free spins. An extra +5 free spins are rewarded with each extra bonus symbol. Each cascade win in the free spins increase the multiplier for all future wins by 1.
If you land a retrigger symbol on the top reel it will add +1, +2 pr +3 free spins.
The premium play feature awards 12 free spins with only 3 bonus symbols, allowing more bonus entries. It also offers a free spins gamble chance after every free spins trigger.