Since the beginning of the year, South Africa’s Thunderbolt Casino has introduced several new feature-packed Chinese-themed slot games. Today they added another, Tian Di Yuan Su. Until July 6, the popular South African online casino is giving active players 30 free spins on the exotic new game.Tian Di Yuan Su is beautiful, mystical slot game where the Sun and Moon balance the five elements of nature: Fire, Water, Earth, Wood and Metal. Players journey through ancient temples to accumulate vast riches. The Sun is the Wild and doubles the pay-out when it’s part of a winning combination.Eight free spins with double prizes are awarded when three or more Moon scatters appear. Players are given a choice of five glowing orbs representing each of the elements. They pick one to determine how many free spins they get (up to 33) and to win multipliers up to 15X.TIAN DI YUAN SU INTRODUCTORY BONUS30 FREE SPINSAll players that have made a deposit in the last 30 days qualify.Coupon code: TRY-TIAN-DI Wagering requirement 60X, max cash-out R500.Available 6 June to 6 July 2018.Additional bonuses will be sent to players via email and casino messenger throughout the month.Realtime Gaming has already introduced five hi rez, big screen Chinese-themed slot games this year. Cai Hong pays tribute to Caishen, the Chinese God of Wealth. Fu Chi celebrates the Year of the Dog. Fantasy Mission Force and Eagle Shadow Fist are inspired by action movie hero Jackie Chan. Shanghai Lights toasts China’s largest and most glamorous city.Thunderbolt Casino, where all games are played in Rands, is one of the most popular online casinos in South Africa. It offers a huge selection of real money online slots and table games from Realtime Gaming in its online casino (download and instant-play) and in its mobile casino for smartphones and tablets.