15 line slot machines are online slots with 15 pay lines. You can enable up to 15 lines and receive winning combinations on them. The more lines you activate the more chances to win you have.

All 15 line slot machines are video slots with many features and bonuses, so if you try them they will soon become a one of your favorite type of slot machines. Usually 15 line slots are packed with free spins bonus games, which is awarded when three or more scatter symbols land on any lines, even they are not enabled. In the free spins bonus game usually you are awarded with a number of free spins and sometimes you can win an additional multiplier that can help to boost all your winnings. The free spin rounds can be retriggered if you receive additional three or more scatters on any lines and you will be awarded an additional number of free spins.

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Most popular 15 line slot machines are released by Microgaming, Real Time Gaming, Wagerworks and Rival Gaming. Rival Gaming offers i-Slots or interactive slot machines with 15 lines, which means that these slots have their own story with uncovered episodes.

Kings of Cash is a 15 line slot machine with a bonus game, where you can win up to 1000 times your bet, free spins game where you can get up to 25 free spins and gamble feature which allows you to gamble your win. Also Kings of Cash has a wild and scatter symbol, which lets you to generate more winnings combinations and wins. Kings of Cash is a standard 15 payline slot machine with a top award of 5000 coins.

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Kung Fu Monkey is another fifteen line slot game powered by Microgaming. This video bonus slot offers a wild symbol which helps you to complete more winning combinations, a bonus game, where you can win multiplier values and free spins; and the free spins bonus game where you can win up to 10 free games. A top jackpot of this 15 line slot game is 2500 coins, which is awarded when five Kung Fu Monkey symbols land on en active payline.

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Capt Quid's Treasure Quest is also a 15 line slot machine powered by Rival Gaming. This is a USA slot machine, which is available for players from USA, because Rival Gaming casinos accept players from USA. So, with Capt Quid's Treasure Quest slot machine you can win a massive jackpot of 10,000 coins, also up to 40 free spins and up to a 10x multiplier in the Capt Quid's Treasure Quest bonus game.

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