20 line slot machines are the most popular slot games which are offered by many online casinos. These slot machines have many bonus games, giving you a good chance to win massive prizes. Top software providers of 20 line slot machines are Rival Gaming, Microgaming, Cryptologic, WagerWorks and Playtech.

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Robot Butler is a 20 line slot machine powered by Microgaming. With Robot Butler slot game you can win a top jackpot worth 10,000 coins if you hit five Robots on an active payline. This 20 pay line slot machine has all standard features: a scatter symbol, a wild symbol, the bonus game, the free spins bonus game, the gamble feature.

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Wealth Spa is another 20 payline slot machine powered by Microgaming. This exciting take on that much-loved place of rest and relaxation, the health spa, is a combination of money and wealth with fun and health. So, sit back, relax and detox from the daily stress and enjoy a great new slot game. With Wealth Spa slot machine you can win up to 200,000 coins in the free spins bonus game and a top jackpot of 5000 coins if you hit five Wealth Spa symbols on a payline.

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Western Wildness is a 20 line slot with an expanding wild symbol, which becomes a 2x multiplier when it substitutes for other symbols that to complete a winning combination; two scatter symbols; free spins bonus game, where you can win up to 100 free spins with a 3x multiplier, and a bonus game.

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Monopoly Here and Now is a 20 line video bonus slot powered by Wagerworks. This slot machine is based on a popular board game Monopoly. This 20 payline slot game features a wild symbol, which can generate additional winning combinations by replacing other symbols; a board bonus symbol, which can help you to determine how many times you get to roll the dice in the Monopoly Board Bonus Game. A top jackpot of 5000 coins is awarded when five Monopoly symbols land on a payline.

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Diamond Valley Pro is a Playtech slot machine with 20 pay lines and 5 reels. Spin 5 wild symbols on an active line and win a main jackpot of $10,000 coins. Receive a bonus symbol on reels 1 and 5 and start your bonus game where you choose one of three characters that to reveal a number of free spins and choose the left or right hand that to reveal a multiplier value. In this bonus game you can win up to 20 free spins with up to a 10x multiplier!

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