One of the codes that you might try is (4-2-4) consisting of 4 golden dragons, 2 wilds and 4 golden tigers. While other supporting items can be adjusted.
Rumor has it, using this strategy and code will lead you to a 12 M jackpot in just 12 spins. However, it is not certain that the Higgs DOmino rumor is the truth. The newest Rp with the X8 Speeder component
