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About

Many famous producers of software for online casinos offer free online slot machines with images of gem stones at the reels. Novomatic company also has such models in its gaming assortment, while its developers don't leave this topic and continue releasing such video slots. Another novelty of this brand, created in such genre is a model named Gemstone Jackpot, which is carefully described in the following review prepared by the team of casinoz.me. However, please don't think that it is a beaten game with a standard range of options. It is able to interest you with some original options. 

Rating
Rating
8.13/10
Users
8
8.13/10
10000
Max bet
500:1
Max payout
5
Number of reels
10
Number of lines

General description

Gemstone Jackpot is a five reeled video slot with ten instantly active lines (the scheme of its location can be found in the index table) and it is possible to stake from four to one thousand credits per each of them. Consequently, you can play this slot machine by the bet in range from forty to ten thousand credits per spin.

Gemstone Jackpot slot machine is also provided with Lock and Spin function, which you can read about below, and the gambling feature.

The symbols are located in three rows at the screen of this game. To receive a payoff, it is necessary to pick three similar elements. The symbols have to form a continuous chain at the active line, starting from the first left reel. As usually, the winning is charged only by the most valuable combination in each chain of symbols.

The rules of calculation of an amount of the payoff are quite traditional. The bet per line is multiplied by the combination index, indicate in the table. The maximal multiplier reaches x500 here. Please read about exceptions from these rules in the following paragraph.

Well, now it’s time for a couple of words about Lock and Spin option. It is activated as soon as at least one paid combination is formed. The symbols, included into this combination, are locked with a grid and hold its places, while new symbols appear at other positions. Herewith, the repeated spin is free for the player. In case new elements of the same type accompany the locked symbols and make new combinations, the function is triggered once again. This process can continue until the whole screen is covered by the similar symbols. The function is interrupted in case another resin doesn't bring any new symbols of the same kind.

You can stake the whole payoff received during the spin in the gambling feature. Here you would have to guess the color of the face-down card. If you manage to make it, the winning would be doubled. However, if you make a mistake, your bets goes to the casino. It is possible to continue playing in the same round until you reach the maximal limit or lose.

Unfortunately, the producer doesn't provide any information about the theoretical cash back index of Gemstone Jackpot slot machine.

Symbols

All the gaming symbols used in Gemstone Jackpot slot machine are images of gem stones of different colors. There are seven kinds of them. Any special symbols, such as Wild and Scatter, are not provided by the rules of this game.

Bonus games

There are no other prize rounds in Gemstone Jackpot slot machine except of Lock and Spin functions, which has been already described above. Traditional free spins are not provided by the rules as well.

Jackpots

A progressive jackpot is not raffled in Gemstone Jackpot video slot.

Interface

Just in case, we have prepared some tips by the functions of the main elements of the interface of Gemstone Jackpot slot machine, which is available only in English language. It would be useful for the beginners:

  • Start - start a new spin.
  • Collect - transfer the winning to the account.
  • Gamble - play in the gambling feature.
  • Bet/Line - select an amount of the bet per line.
  • Lines - select a quantity of active lines for the game.
  • Credit - a state of the player’s account.
  • Last Win - an amount of the payoff for a spin.
  • Autoplay - switch on an automatic game mode.
  • Paytable - look through the payoff indexes.

Repeated click at Start button stops the reels immediately. The same action works with Collect button when you need to transfer a winning to the account. If you start a spin with double click, the round would be finished much faster. It is also possible to accelerate the gameplay by activation of automatic bets.

The user’s settings provide an opportunity to switch off the sound and select size of the screen.

If you need more detailed information about the rules than it is provided in the payment table, please open the informational section (Help button in the right top corner).

The producer doesn't offer to download Gemstone Jackpot slot machine, because this model can be launched right in a browser.

Conclusion

Definitely, the most interesting particularity of Gemstone Jackpot video slot is Lock and Spin function, which provides an opportunity to receive numerous payoff in one round. Other features of this slot machine can hardly be called original. The graphics is quality, but not spectacular. The control panel is very convenient, as in all the rest models developed by Novomatic.

Where to play for free or real money?

The reviewers of casinoz.me were testing this model in StarGames Casino. However, they were willed to open a training account, because slot machines are unavailable with our registration even in a fun mode in this online casino. This video slot is also presented in other casinos, powered by the software developed by Novomatic. You can choose the most suitable for you with help of the reviews, published at our website.

We are looking for your rates and responses about Gemstone Jackpot slot machine. Please share your opinions in comments to the review.

Players rating

8
8.13/10
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Main info
Type of game
Video slots
Manufacturer
Max bet
10000
Max payout
500 : 1
Progressive jackpot
No
Reels number
5
Lines number
10
Jokers
No
Scatter
Yes
Game on equal chances
Yes
Bet line
4 - 1000
Bonus games
No