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About

Our forecasts of gambling trends of 2018 are coming true. Software developers offer online gambling games with unusual features and opportunities more and more often. One of such novelties is «Double Gem» video slot, developed by StakeLogic company. Some options of its gameplay can be called unique without exaggeration. Please read the review by Casinoz.club and hurry up to test this original model personally.

Rating
Rating
8/10
Users
1
8/10
40
Max bet
500:1
Max payout
5
Number of reels
40
Number of lines

General description

«Double Gem» online slot machine has five reels and forty active lines. It is not permitted to choose how many active lines to use.
In the basic mode, it is possible to stake up to five coins valued as one, two, five or ten cents per line (from forty cents to twenty euro per spin). If you activate Super Bet, your staked is doubled.
Symbols are located in 5x3 order at the screen. Selection of gaming options, available on this slot, includes basic symbols, two varieties of winning combinations, a system of extra multiplier, Wilds and other prize features.
Paid combinations are made at active lines from left to right. At least three same elements have to be situated next to each other at same line. If combination consists of four or five same icons, only the maximal option is taken in account.
Wins are calculated by special indexes from x2 to x500. They are multiplied by the bet per line. Extra multipliers are also accounted.
Gambling feature is not provided. All exceptions and bonus features are discussed below in the review of «Double Gem».

Screenshot gallery

Symbols

Seven gems work by general rules. Same elements may form vertical stacks at the reels.
Moreover, «Double Gem» is provided with a joker:
  • Wild (a diamond) is imaged at all reels, except the third. It doesn't form combinations on its own, but replaces other symbols when necessary.
There are no Scatters here. Pay table displays potential wins by current bet in coins.

Bonus games

Talking about unusual features of this video slot, we would like to begin from two gaming modes:
  1. Base Game – general rules, described above.
  2. Super Bet Game – one more layer is activated at the screen. It is situated below the gems. Cells at the reels become colorful. Same color cells make winning combinations at active lines. Multipliers vary from x2 to x5000. Please read about other bonus options below.
Moreover, «Double Gem» is provided with extra multipliers.
  • Base Game Multipliers – in every spin, which has brought any payoff, an extra multiplier rise up for one point. It begins from x1 and may reach x5. If no combinations are formed during the round, it is reseted to x1. This multiplier is taken in account in calculation of payoffs by gems.
  • Super Bet Game Multipliers – in this mode starting extra multiplier is x2 and it reach x10. Loosing spin reduces it for one point. These multipliers work only for combinations made of colorful cells.
Our video review of this slot can help you understanding how to use prize features.

Jackpots

StakeLogic company doesn't draw progressive jackpots on «Double Gem» video slot.

Interface

It model is available in numerous languages.
To set up the bet, you need to choose how many coins of which value to stake. Number of active lines is constant.
Super Bet is activated by special button. It is possible to play in manual or automatic mode.
Available user’s settings allow to switch off the music or all sounds. It is not necessary to download «Double Gem».
The menu consists of pay table and Help.
Users can play «Double Gem» slot machine in mobile casinos too. Mobile version of this slot was designed for comfortable playing on smartphones. It is very convenient, functional and has a user-friendly control panel.

Conclusion

Let’s sum up major advantages and disadvantages of this model.
  • Pros: unique gameplay, original system of combinations, extra multipliers, unusual bonus options, convenient interface.
  • Cons: poor settings, boring graphics, inconvenient terms and conditions.
Levels of theoretical payback and dispersion are average.

Where to play for free or real money?

It is possible to test «Double Gem» slot machine free or play for real money at online casinos, powered by StakeLogic software. They are listed below the review.
Please write responses about this slot, score the game and share your personal gaming experience in comments.

Players rating

1
8/10

User comments

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Main info
Type of game
Video slots
Manufacturer
Max bet
40
Payout percentage
96.1%
Max payout
500 : 1
Issue date
07.04.2018
Progressive jackpot
No
Reels number
5
Lines number
40
Jokers
Yes
Scatter
No
Game on equal chances
No
Bet line
0.01 - 5
Bonus games
Yes