Last Updated: Tuesday, 03 August 2021 10:46

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Great Griffin slot

Great Griffin slot
Ever since humankind began to live in a mercantile world of trade barter and money relations, the accumulation of currency and its equivalent in precious metals has become one of the main objectives of its existence. Moreover, there are many cults dedicated to material welfare - from the Golden calf and the shells of the natives to mountains worship, which contain all kinds of ore. In Great Griffin slot produced by a famous Microgaming company, fans of gambling and profitable holiday have an opportunity to meet Griffin, which was raised to guard great treasures, the subject of some myths and legends of ancient Greece.

Somehow, the owner of all this prosperity was a man from a different historical period - the medieval alchemist. However, there is always a place for magic where fabulous treasures are acquired. Moreover, it refers to slot magic, where the most unexpected plot twists may occur even if you are going to play for free at Great Griffin machine.

Personal testers opinion

This slot has an exciting realisation of free spins with a multiplier. Although the slot machine was released in 2012, it is still popular among players. Possibly, this is due to this rather high percentage of the payment (96.79%) and tangible potential for big winning. So, I leave neutral recommendations for playing for real money.

Hidden parameters and settings of the slot (data from the testing team)

  • The frequency of triggering the bonus is statistically, every 98th spin (1,02%).
  • The probability of a hit (any winning) is 48%.
  • The distribution of the winnings is 60% in the usual spins and 40% in the bonus feature.
  • The maximum payout during the tests was 183x.
  • The average winning from the bonus was 38x.
  • Volatility is 6,95 out of 20 (average).
  • Cycle length is average.
  • The rating of the slot machine for the wagering is 5,84 out of 10.
  • RTP of 96.79% allows getting a positive mathematical expectation at the casino.

Description of Great Griffin slot machine

Graphic design and animation of Great Griffin slot are performed at the highest artistic level. The developers have created an amazingly beautiful and colourful virtual reality. The saturated colour palette, detailed drawing of fine decorative nuances and diversity of thematic symbols, consisting of an alchemist laboratory`s exotic accessories, creating a pleasant atmosphere of the dangerous magical world. The highlight of the animation component is, of course, prey Griffin flying, bringing the gambler opportunity for the extra winning.

The voice of this original bird with a lion body and eagle head can drive the most desperate man of courage into sacred awe. The gameplay resembles a journey through the dark maze of dungeons filled with dangerous impasses and rooms with tons of precious stones.


  • Provider – Microgaming company
  • Number of reels – 5
  • Number of pay lines – 50
  • One coin value – from 0.01 to 0.10
  • Number of coins per line – 1-10
  • Bet size range – from 0.01 to 50 
  • Maximum winning per spin – 250 000 coins (Griffin symbols)
  • Wild symbol – yes (Griffin multiplies the prizes on x2).
  • Scatter – yes (Logo of the slot)
  • Free spins – yes (3 free spins modes with a multiplier up to x10 at the choice of the player are triggered with the help of scatters).
  • Risk game – yes
  • Bonus game – yes (3 symbols of the Lady launch the bonus game which gives the additional prizes).
  • Expected payout percentage (RTP) in the machine – 96,79%


  • Items from the alchemist laboratory - Scales, Pen, Wood, Bowl, Book and Flasks excellently occupied the space of annoying card symbols. In addition to pleasant visual perception, they can pay from 4 to 125 coins.
  • Hot candles and gifts in the form of golden eggs give 15 to 150 coins.
  • Pink Crystal and magic Ball will be generous - they not only pay 2 - 200 coins but also count the payment which triggers from two symbols on the line.
  • Griffin became a Wild symbol. Trilling the beak, replaces any item except for Scatter and Bonus, and also in the combination form will double your winning. Also, by creating the combination of Griffins, Wild can pay 8, 50, 250 and 5000 coins.
  • Scatter - Great Griffin logo. The winning is not dependent on their location. For simultaneous falling of several symbols, the gambler gets 2, 5, 20 or 200 coins. Three or more Scatter symbols launch free spins.

Free Spins

When you win free spins, you will have to choose one of three features:

  • 15 free spins with the multiplier of x3;
  • 10 free spins with the multiplier of x5;
  • 5 free spins with a multiplier of x10.


If the images of sorceress simultaneously appear on the reels №2, №3 and №4, the Pick Me bonus round will be triggered. By selecting one of the symbols, you can get up to x 150 coins. You can also find inscriptions - Pick Again and Win All. During the game, you will have another bonus feature - Griffin Wild Bonus. Griffin will quickly fly across the reels and turn one or more symbols into Wild Ones.

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