mahjong waysRTP & Volatility. Mahjong Ways has an RTP (return to player rate) of 96.92%. Because this is a medium volatility slot, players should have some fairly regular wins, in a range of values.. How to Play Mahjong Ways. From the gameMahjong Ways 2 is a medium-volatility slot game developed by PG Soft, inspired by the classic Chinese game of Mahjong. It features a 5×4 reel layout with additional rows on reels 2, 3, and 4, offering 2,000 ways to win.