Emerald King is a video slot game by Reel Kingdom, powered by Pragmatic Play

 This is a one-of-a-kind slot that has symbols as big as 2×2 or 3×3. When that happens, it means that that icon represents four (2×2) or nine (3×3) instances of that symbol. 

 The simplest way to win is to have at least three matching symbols form a winning pattern at adjacent reels starting from the left. The substitute symbol WILD can be placed in random positions by the clover or pot of gold aside from hitting them on a spin. 

 The win multiplier randomly increases by one on every non-winning spin. It resets back to 1x at random spins or after a win. 

 The multiplier can also be saved based on the last bet. This means that different bets can have different multipliers at any time. 

 When all reels turn green at the same time, the Mini Slots Feature is activated. What happens is that up to 15 smaller slot machines, with their own symbols and rewards, appear and can be played.