Secret of the Stones

Win lines:25

Secret of the Stones Slot 

Gameplay and Graphics 

Among the many legends about the English building, Stonehenge is the secret of the stones. This Slot Game gives you the unique opportunity to solve this secret of the mystical rune stones from the Stone Age together with clever druids. You go into the mystical, Celtic world with the stones from a long-forgotten time. 

So in case you like Celtic slots, we have a particularly pleasant one from NetEnt for you. Secret of the Stone is a mythical slot that has the theme of magical, Celtic stones. You can also see the tree of life, which is mainly well known from the Nordic mythology. 

In addition to the beautiful design, for which the NetEnt designers really deserve high praise, there are 10 free spins, multipliers, additional wild symbols in the bonus feature, and more on you. 

Players at 21 Casino have a unique opportunity to travel through the centuries and meet ancient druids. According to legend, they created the architectural creation for their rites. With this beautiful Secret of the Stones slot machine, you can experience the secrets of the mysterious druids and receive outstanding rewards for completing certain types of quests. The background is beautifully set up with the building itself and surrounded by a green forest. 

Secret of the Stones has 25 flexibly individually adjustable paylines, three rows and five reels. The bet amount can be chosen from a €0.01 to a maximum of €125. The individual transparent reels are surrounded by a mystical stony frame, the symbols of luck are runes from the world of nature spirits and mythical creatures. 

Before you start playing, you should take a look at the settings. In the left corner of the screen, you will see a button with which you can set the number of paylines you want to play with. Under Coin Value, you determine your bet and with Autoplay, you can sit back and relax when the reels turn automatically for you. The round green button tells you all winning combinations that are not unimportant and that you have to watch out for during the spins. 

Bonus Features 

The slot machine has two special symbols of luck: One is the druid - who is also a joker - who can appear on all reels and is often seen. It helps you a lot with your winnings because it can replace other symbols for better winning combinations. The other symbol is the scatter (tree), which can also appear on all reels and lines. It activates Bonus Spins - the more scatters on the screen, the richer the winning opportunities. 


The symbols' rune stones: 

  • Deer 
  • Wolf
  • Snake
  • Owl
  • Bull 
  • Card values ​​10 to ace 
  • Druid (wild and joker) 
  • Tree (scatter) 


The most outstanding aspect of this game is without a doubt, the bonus spin feature. If you hit 3 or more tree scatter symbols you activate them. You will then straight away 10 bonus spins. If you have played these, you will get to stones with Celtic inscription. The fog clears and you will be able to see 20 stones in front of you. This is a so-called pick and click feature. The number of scatters with which you trigger the feature at the beginning determines the frequency of how often you can now choose one of the stones. You need at least 3 scatter symbols, to choose at least 3x. You definitely should take a closer look at the stones - as there might be something hidden for you, behind them. There will be either additional bonus spins (2, 3, 4, 5, or 10) that will count towards the 10 bonus spins you already got, or you will find multipliers (x1 or x2). If you find another wild symbol, it is even possible to get reels 2 and / or 4 completely wild. If this happens, said reel (s) remain wild for the remaining duration of the free spins.


Secret of the Stones is not only a modern, but also an interesting slot machine from NetEnt, which contains high-quality animation and special effects with the well-thought-out game functions and features. The game on this slot is very dynamic due to the many bonuses in the form of different figures or rune stones. The graphics are also of the highest level, and a spin can always lead to an unexpected turn of events - which is what makes the game on the slot so exciting. 

Netentis probably the most popular and best provider of online slots and other top casino games. Netent's products are licensed individually. They stand out with a combination of excitement, great sound and outstanding graphic implementations. 

 Other NetEnt games at 21 Casino would be Slot Games such as Mega Fortune, Berry Burst, Aloha Cluster Pays and Gonzo’s Quest.   

24h Timeout

21 Casino App

Add 21 Casino to your homescreen