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Game info


The Spectra slot game is an video machine available online, developed by the Simbat. It is very similar to many other Simbat machines, but as always with unique features and symbols. This slot is similar to Flux.

There are two stake levels with two separate sets of reels which represent the usual basic and top game.


The Spectra slot machine game has 3 reels and 3 rows in both games. Only difference is that the basic uses only one pay line, while the top uses five. A bettor can always switch between the two modes by clicking the “change bet” button in the bottom right corner.

Both modes have their own meters, the green is for the bottom while the bet x4 meter is for the top. At the beginning of the fun version, 100 credits are placed into the green, but if a player decides to gamble 4 coins, all he needs to do is change the bet and click start, and that will make 4 coins transfer to the second meter.

Gamble Feature

Play Spectra free slot and gamble any prize up to 100. The gamble addition is called heads and tails and it is the most simple version. Head and Tail yellow buttons will light up after any win of 2 or more coins and in order to try to double it up, simply choose one side.

If the coin lands on the chosen side, the prize is doubled, but if it does not then everything is lost. The addition is available until the current win reaches 100 or more coins, then it is turned off and the prize is transferred the balance because the highest possible payout in the free online Spectra slot machine is 200 credits.

Tips & Tricks

  • Use the handle on the right, green start button or the space key to spin once. All three have the same function.
  • Press the yellow Auto Play button next to the start in order to trigger the Auto Play feature. It will put the red stick on top of the start button and roll until manually stopped or until there is no enough coins. It can be turned off by pressing the red stick.
  • The machine has three hold buttons, one for each reel. After each spin a gambler is allowed to hold up to two columns and keep them for the upcoming roll.
  • The auto hold function is included, so the machine will keep columns that are most likely to make a winning combination in the next swirl.


The Simbat firm always does an amazing job and makes different symbols for different modes in the same game. So the signs for the basic are shown below the columns. There are 19 different ways to get a prize, and all 19 are shown in the pay table as well.

For the top, there are only 7 icons but 5 pay lines, so it is very likely to combine any of them. Three of the kind are required to win a prize.

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