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Play Seven 7's slot by Microgaming for free

Play Seven 7's slot by Microgaming for freeMicrogaming Company presents the unusual slot of Seven 7’s - a 2020 - Crazy Tooth Studio production. It is as remarkable in the topic depicted as in the gameplay construction. There is a strong body of water reference and excellent quality of graphics and sound. 

Our first known reference to the Seven Seas is from the childhood stories about the Sindbad the Sailor and his 7 eventful voyages throughout the Seas around Africa and Asia, exploring trading routes in ancient times. We know he got accustomed to both adventure and danger in fantastic kingdoms, running across enchanting friends and fighting supernatural beasts.

In a contemporary sense, we recognize 50 Seas worldwide. A Sea is believed to be a partition of the Ocean, which is enclosed (fully or to some extent) by land. Today we speak about 7 Oceans:

seven 7s

Built with 1 payline and CONTINuWIN (trademark - added reels feature), the Seven 7’s slot machine offers an excellent maximum potential of 250 000 CAD (via max stake). This is a one-of-a-kind slot that comes with High Volatility, lofty RTP (96.6%), and providing an excellent opportunity to try something new and exclusive.

Don’t hesitate to check it now via the instant DEMO version on our site and decide if you want to play further with real credits at any casino powered by Microgaming.

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Personal testers’ opinion about Seven 7's slot

  • Our team was polarized assessing this slot. On one side were those who love inventiveness more than anything else. However, principally they appreciated the originality of this and other Crazy Tooth creations (Queen of the Crystal Rays slot and Lady Earth slot), the unconventionality of various aspects regarding the design and execution of each title the studio releases.
  • On the opposite side were those who wanted extended and thrilling gameplay with complexity, chances for plural bonuses and even multi-level components. Well, this group of testers were adamant: adding reels feature swiftly wears off. They concluded that the developer not only left out the Free Spins but curtailed the game from anything stimulating. As a result, there is a shortfall of winning emotions and keeping things in control. Stripping the Seven 7’s online slot from electrifying features in this circle was judged as a mishap, and the slot future - doomed to oblivion. The game’s limitation, they reckon, resembles a movie without an end or a book without the last page.
  • Perhaps the truth is somewhere in the middle. And even though this is not a slot you will be returning every day to, sometimes quick victories and fast checking your luck are just what you need.
  • The hit frequency is not great (a little over 20%), but the return is very generous (in a long-distance of course). One can expect many empty spins, only once in 5 spins a double or triple 7, which brings 2x or 10x the total bet. Thus, the slot pushes the risk extremely, promising a sweet reward with a Jackpot.

Our best shoot during the tests was 5 symbols of 7’s, which delivered 75x the total bet. So again, we leave a neutral recommendation for playing with real money and thumbs down for using this slot for bonus money wagering.

Gameplay and Paytable

There is nothing to decipher here:

  • 1 payline;
  • 3 symbols (7/2x/Bar);
  • Short and easy paytable (in times the bet).
2x 10x 25x 75x 250x 25000x

How does it work?


  • If 7 drops - new reel gets attached + automatic Re-spin is played;
  • If no 7 is dropped - you need to spin again.
  • The x2 symbol works like a Wild and Multiplier at the same time. The only catch is that it will not multiply the Jackpot (if you withstand till there, obviously).


  • Provider - Crazy Tooth Studio (Microgaming)
  • Payment lines - 1
  • Volatility - High
  • The default range of bets - 0.20 to 10 CAD
  • Playing field - 1x7
  • The maximum winning is - 25 000x the total bet
  • Features - Extra reels, Wilds with Multipliers
  • Free Spins - No
  • Progressive Jackpot - No
  • Gamble feature - No
  • RTP - 96.60% (allows getting a positive mathematical expectation of winning at the casino)

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Written by Kamen Valev
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