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Siren Song ᐈ Slot Review + Demo (RTP=96.33)

Siren Song is a volatile water-world pirate slot from TrueLab Games, and it plays out on 5 reels with 25 paylines. The base game is graced by 3 expanded Siren Wilds that always nudge fully in place, and all 3 of them represent different options in the bonus round. Any choice comes with a final Wheel of Fortune spin, and this can lead to a 10x total win boost for payouts up to 30,000x your stake.

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User Rating: 7.0/10 (2 votes)

Provider:TrueLab Games
RTP 🔗: 96.33%
Variance: HIGH
Max Win: x30000.00 [ i ]
Betways: 25
Release: 22.07.2021 [ i ]
SlotRank: 3154
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Online Casinos in United Kingdom where you can play Siren Song

We have scanned 736 casinos for the United Kingdom market and we have found Siren Song in 148 of them. SlotRank for Siren Song for United Kingdom is 3154.

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Siren Song Review

Last Update: 22.07.2021. Author: SlotCatalog.

Sirens were mermaid-like creatures that, according to Greek mythology, had the alluring ability to wreck whole ships with the beauty of their enchanted songs. Even the saltiest sailor would go crazy with lust and desire if he came too close to their rocky islands, and Siren Song from TrueLab certainly has the ability to wreak havoc on your bankroll if you’re not careful.

The highly volatile game comes with a solid 30,000x potential though, and the 3 Sirens might look harmless enough on a distance, but they reveal their true fierce nature when you get too close. They still award decent expanded wild wins though, and you get to pick one of them to guide you through 1 of the 3 bonus round options.

Siren Song Slot - Reels Screen

Siren Song Slot Features

The 3 mermaids serve as wild symbols in the base game, but these Wild Sirens come with a 1x3 size and can land fully or partially present on the reels. If they land only partially on the reels, they will always nudge in place to fill the entire reel. As wilds usually do, they step in for all regular pay symbols to help you form winning combinations.

You need 3 pearl scatters on reels 1, 3 and 5 on the same spin to trigger the Bonus Round. You get 8 free spins no matter what option you choose, and there are 3 different bonus round options as follows:

  • Crimson (low volatility) - is all about collecting key symbols, and the more keys you collect, the more picks you get in the Chest Pick’em Game that follows. Open chests to reveal cash prizes between 1x and 500x your stake, win multipliers and extra keys.
  • Emerald (medium volatility) - all skull wilds become sticky pirate wilds during the feature, and these are worth 60x your stake for 5 on a payline (same as the top paying harp symbol).
  • Silver (high volatility) - awards 4 to 20 purple fish (worth 30x for 5-oak) randomly placed on the reels per free spin. More than one fish on a position increases the multiplier by +1 per extra fish with no upper limit.

No matter which bonus round you go with, it always ends with a spin on the Steering Wheel of Fortune. This can award additional prizes up to 100x your stake, or boost your total winnings with a x2 to x10 multiplier. Non-UK players can buy the 3 bonus round options from the in-game menu, and you’ll pay 127.6x your stake no matter what option you choose.

The 200 Spins Siren Song Slot Experience

We haven’t included too much of the base game in our 200 spins highlights video this time, as the temptation to try all 3 bonus rounds got the best of us. The 5-minute video is jam packed free spins action in other words, as we purchase all 3 in chronological order from low to high volatility. See for yourself how we fared by hitting the play button below.

Review Summary

We like how TrueLab has avoided the “sexy mermaid” cliché by making the creatures a bit more fierce and witchy. They land as fully expanded wilds to help you out on a regular basis, but 1,500x your stake is the most you can hope for during the base game grind. Of course, what you really want is the bonus round, and it can be tempting to purchase it instead of waiting (if available in your jurisdiction).

Sticky wilds in the right positions can lead to decent wins, but without any multipliers it’s hard to do significant damage. The random fish symbol option is more of a gamble, but can lead to bigger payouts when luck is on your side. Your safest bet is the key collect option. The feature itself might not pay all that much, but at least you get a pick me game that usually awards a decent amount. In all cases, the Wheel of Fortune, and the 10x multiplier, is key to getting close to the 30,000x potential.


  • Nudging expanded wilds
  • 3 bonus round options
  • Win up to 30,000x your stake
  • 127.6x Bonus Buy (not for UK players)


  • Single spin non-multiplier max win is 1,500x

If you appreciate Siren Song Slot you should also try:

Viking Runes - is an underestimated release from TrueLab Games in our view, and it plays out on a 9x9 Cluster Pays grid. A wild is released per cascading win, and you’ll benefit from 3 random modifiers. The bonus round comes with 4 progressive multiplier wilds that can lead to 25,000x payouts.

Pearls Pearls Pearls - is a very popular water world installment in Rarestone’s Fire Blaze Jackpot saga. It comes with a streak respins bonus round where the 4 jackpots can be landed, and you can win up to 5,000x your stake via the wild multipliers in the bonus round.

Atlantean Treasures Mega Moolah - is all about the legendary sunken city, and it’s a good option if you feel like chasing the potentially life-changing mega moolah jackpot in an exciting subsea environment. You get expanded wild respins ala Starburst to keep you going, and the Mega Jackpot seeds at £1 million.

Video and Image gallery

Siren Song. Siren Song slot
Siren Song. Siren Song slot
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Win Screen. Siren Song slot
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Siren Song Slot FAQs

❔ What is the RTP of Siren Song?

The 96.33 % Return to Player is a bit above the industry average.

❔ How volatile is Siren Song?

This is a highly volatile game, and you can therefore expect fluctuations on your bankroll as you play.

❔ What is the biggest win possible?

You can win up to 30,000x your stake, with a win cap of €1 million. The highest single-spin win with no multiplier is 1,500x your stake.

❔ Is there a free spins mode in Siren Song?

Yes, you get 8 free spins with 3 options. The low volatility feature comes with keys that are collected and used in a pick’em game. You also have a medium volatile option with sticky wilds, and a high volatility option with randomly added mid/high value fish symbols that can accrue multipliers.

❔ Can I play Siren Song Slot for free?

Yes, you can check out the free Siren Song demo game at the very top of this page (UK players must verify age first). Up there, you’ll also find casinos we’ve confirmed to carry this title.

Scanned Countries

United Kingdom

United Kingdom. The Game Siren Song available in 148 from 736 scanned casinos. Overall we have scanned casinos in 48 different markets. Siren Song is available in 35 countries. Markets with the highest casinos quantity are: GB, CA, NO, DE

Country Scanned [i] With Game [i] In Lobby [i] SlotRank [i] Action
United Kingdom GB 736 148 0 3154 See Data
Canada CA 519 111 0 4131 See Data
Norway NO 448 102 0 4120 See Data
Germany DE 466 102 0 3839 See Data

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