TROPICAL FEATURE
--Any 3 SUNSET trigger 10 FREE GAMES.
--During the TROPOCAL FEATURE, all SUNSET are replaced with WATERFALL.
--Free games cannot be won again during the TROPICAL FEATURE
SUNSET RE-SPIN
--When only 2 SUNSET appear, the SUNSET RE-SPIN is triggered.
--Both reels with SUNSET are held and the other 3 reels are re-spun once.
