Siren's Treasures 15 Line Series Online Slot

Date Updated:10 Aug 2020 Written by Jerico

If you loved the original Siren’s Treasures slot, you are sure to love this more challenging version with only 15 active paylines from Spinomenal.

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This game is available to play for real money mode at any of these casinos

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Siren's Treasures 15 Line Series Online Slot Review

Progressive Jackpot: No

Provider: Spinomenal

Paylines: 15

Reels: 5

RTP: 96.16%

If you enjoyed the original version of this game, then you will love the extra challenge this game presents. While the first Siren’s Treasure featured 50 active paylines, this version gives you only 15, which increase the excitement of the game. Much like the original version, the game places you in a stormy sea where the famed Little Mermaid saves the prince from drowning.

The game’s controls are the same as the original, with the Play button located in the middle of the control panel at the bottom. This is flanked by the Auto Play button to its right and the Help button to its left. To change your bet, the Per Line field on the left side of the panel is where you should go. Click on the plus and minus buttons to increase and decrease your bets. Each bet is multiplied by the number of active lines in the game, so this means each bet will be multiplied by 15.

The big difference between the original game and this game is the Buy Feature option of this version. Click on Buy Feature to automatically launch the Free Spins round. Choose how much you will pay for this feature and this will be your bet for each spin. You will be given 10 free spins when you activate this feature.


Just like the original, the symbols in this game are inspired by the tragic tale of the mermaid who fell in love with a prince. The game has low-paying symbols as well as high-paying symbols. It also has special symbols that can launch special features in the game. Low-paying symbols are the card numbers from 10 to Ace while the high-paying symbols include treasures the mermaid collects, such as a shield, vase, and harp, along with an image of the prince’s ship.

The special symbols of the game are the Free Spins symbol, which has the prince on it, and the Wild symbol, which shows the mermaid’s face. The Bonus symbol of the game is a golden treasure chest.


The bonus rounds and special features of this game is just like the ones you find on the original. These include the following:

Win Multiplier – A shell will randomly appear floating on your screen as the reels spin. When the reels stop, the shell will reveal a multiplier that can increase your winnings.

Mystery Symbol – This shows the mermaid’s eyes and hair and will disappear once the reels stop. This will reveal the hidden symbols behind it.

Free Spins – Get three of the prince’s face on the reels and you will be rewarded with 10 Free Spins and a x3 multiplier.

Bonus Game – If the reels show three treasure chests on it, you get to play the bonus game. Choose from 7 chests and the total of four picks is your prize.

Stacked Wild – When the wild symbol appears and fills the entire reel, this will convert into the entire mermaid and will launch a free respin.