Through the authentic submarine sounds, to the Echo Bonus and Wild features that use sonar searches, players get to experience the excitement of being part of a submarine crew during battle. With the interactive Echo Bonus Game feature, players can experience the thrill of using torpedoes to blast their enemies out of the water, all the while hoping to find the elusive Premium Ship! The Echo Wild symbol sends out sonar signals to search for hidden Wilds that can mean even bigger wins. Silent Run™ offers players all the excitement that comes with being in a submarine deep under the ocean. The game provides a perfect mix of authentic submarine sounds and graphics that creates the intense experience of being part of a submarine crew. The suspense increases as the Echo Bonus and Echo Wild symbols appear on reel 3 and the sonar signals search for extra Wilds or torpedoes. The action heats up in the Bonus Game when the player peers through the perfectly re-created periscope and fires torpedoes at enemy ships hoping to find the Premium Ship for bigger wins. The realistic naval graphics and sound effects coupled with an exciting Bonus Game and extra Wild feature guarantees that Silent Run™ players will feel that they are part of a real-life under-water battle.