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Sky of Thunder by Stakelogic (Slots)

Characteristics of the game

Reels 5
Lines 40
Progressive Jackpot No
Bet per Line From 0.01 to 1
Max Bet 40
Max Payout x200
Scatter Symbol Yes
Wild Symbol Yes
Bonus Game Есть
Double (Gamble) Game No
Free Spins Yes
Auto Play Yes
Theoretical RTP 96%
Can play for free without registration No

The young StakeLogic company keeps steadily winning the online gambling market. Its software is already used by numerous gambling operators, while some online casinos even order exclusive models to the company. We are going to talk about one of them in the following article. This is «Sky of Thunder» slot machine, created by the developers inspired by Ancient Greece myths specially for the famous Unibet Casino. What such a novelty has to interest the users, please read at Casinoz.

General description

«Sky of Thunder» video slot has five reels and twenty cells for symbols at the main screen.
It is possible to play on «Sky of Thunder» slot machine by all forty active lines only and place same bets per each of them: up to five coins of 0.01, 0.02, 0.05, 0.10 or 0.20 dollars value. This way, it is possible to stake from forty cents to forty dollars per spin.
Except the basic symbols, the slot offers unusual symbols with special functions, extra multipliers, free spins and other bonuses.
The ordinary symbols get paid when several same elements make a solid chain at any of the active lines. The combination must begin from the first left reel and only the most valuable one at each of the lines is taken in account.
To calculate a payoff, the bet per line is multiplied by the special index from x5 to x200, provided by the rules for each of the possible combinations. Quite often multiply combinations are formed in result of a single round.
A game of chance is not available on «Sky of Thunder» slot machine. All exceptions and prize options are discussed below.


The gaming symbols, imaged at the reels, are card sings, thematic pieces and animals of legends of the Ancient Greece. Some symbols are double. They are marked as x2, that means each of them is counted as two elements in combinations. This way, such symbols can make combinations even of ten elements.
All icons might show one by one or in long stacks to fill the reels from up to down.
Now about the special symbols of this game:
  1. Wild (an oak leave) is imaged at all reels. It makes combinations on its own and replaces ordinary symbols when necessary.
  2. Free Spins (Zeus) triggers free respins with locking symbols.
Please read about prize options below.

Bonus games

This slot offers the following bonuses:
  • Free Spins – when Zeus fill the first reel, all bonus symbols at the screen get «frozen» at their positions and remain there till the end of the round. After that from two to five respins on the casino expense begin. Any extra Scatter adds up to five spins more and freezing. It is possible to get up to fifteen free spins totally.
  • Lock and Spin Bonus – some single and double symbols are also able to get locked. This features works in almost the same way as the mentioned above one.
Detailed description of all bonuses is available on the pay table.


This model doesn't offer a progressive jackpot from the producer.


You can see the following elements at the control panel of this slot:
  • Total Bet – select the bet;
  • Balance – quantity of credits at the balance;
  • Max Bet – place the maximal bet in one click;
  • Win – an amount of the win.
New spin is launched by the round arrows at the right. At the left of the control panel you can find the menu with rules, pay table, user’s setting, advanced settings of the automatic game and other information.
It is possible to set up sound and screen parameters. The video slot is available in a browser, so you don't need to download this model.


We are pretty sure this slot machine is going to have numerous fans among the loyal readers of our website. The game is truly interesting, original and spectacular. Please pay your attention to the animation and unique bonus features.
The payback is quite high as well, while dispersion is low, so this model should suit most of the users.

Where to play

You can test «Sky of Thunder» slot machine free or play for real money at Unibet online casino if only you are not living in one of the countries which residents are denied in service. Actually, demo versions are available for everybody.
We have prepared a video about this game to show its main features to the readers.
Please share your opinions about the novelty in comments and don't be shy to rate it by ten-point scale.
Rating: 8.33 / 10
( votes: 3 )
Date: 2016-12-22

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