Then there's the Hot Link Bonus Wheel which triggers randomly to give. This iSoftbet game has medium volatility, 20 pay lines, and % RTP to start off with. This iSoftbet game has medium volatility, 20 pay lines, and % RTP to start off with. . Then there's the Hot Link Bonus Wheel which triggers randomly to give. This iSoftbet game has medium volatility, 20 pay lines, and % RTP to start off with. Then there's the Hot Link Bonus Wheel which triggers randomly to give.