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Thirteen video slot from Green Tube features a five-reel, three-row game matrix with 10 win lines. Special features include a free spins bonus with, of course, 13 spins available, along with a classic gamble mode.

Thirteen: tips

The ten-win lines in Thirteen slot are always active, and to win you’ll need to land a combination of identical symbols along one of them. The matching symbols must appear on consecutive reels, with the sequence beginning at the leftmost reel in order to be deemed a win. When you win, your prize will be the winning symbol’s specific payout value multiplied by your line bet.

Thirteen winning symbols

There are – unsurprisingly – thirteen symbols in Thirteen video slot. First, there’s the playing card symbols 9, 10, Jack, Queen, King and Ace. 9 and 10 award up to 100x your line bet for win lines of five, while Jack and Queen award up to 125x and King and Ace award up to 150.

The voodoo doll and tarot card symbols will award up to 250x your line bet for completed win lines of five, followed by the mysterious door, which awards 500x your line bet for a five on a win line. The magic mirror and crystal ball symbols both award 35x for three, 150x for four, and 1000x your line bet for five. With the highest regular symbol payout, the witch symbol will award 10x for two, 250x for three, 2500x for four, and 10,000x your line bet for a line of five.

The black cat scatter symbol is used to trigger the bonus game, but it can also form symbol wins on its own. Scatters can land in any position and still win, whether or not the matching symbols land on a specific win line, and payouts are multiplied by your total bet as opposed to your line bet. You’ll get 2x your total bet for landing two in any position, 5x for landing three, 20x for four, and 500x your total bet for five.

The wild symbol is able to substitute for any regular symbol in order to help form a winning line.

Thirteen gameplay

As mentioned, there are ten fixed win lines in Thirteen slot, and you’ll be required to choose a stake per each line when you bet. You can bet as low as four coins and as high as 1000 coins per line - this is your line bet – and you’ll multiply it by ten to determine your total bet per spin. Once you’ve set your stakes, you’re ready to get going, so either press Start to take your first spin, or select Autoplay to allow the reels to spin continuously on their own.

Gameplay table

Bet/Line: Adjust your line bet.

Autoplay: Allow the reels to spin on their own automatically.

Start: Spin the reels.

Thirteen special features

If you land three, four, or five cat scatter symbols in any position on a spin, you’ll activate Thirteen slot’s bonus game, with 13 free spins awarded. Any time a scatter lands during the bonus itself, you’ll be awarded an additional free spin. Whenever a wild lands during free spins, it locks in position and remains in play until it helps form a winning combination.

Whenever you win, you’ll have the option of gambling your prize. In this feature, you’ll have to predict whether the colour of a face-down playing card is red or black. If you guess correctly, your prize will be doubled and you’ll be able to continue gambling.

Does Thirteen have a jackpot feature?

Thirteen video slot doesn’t have a progressive jackpot feature.

Thirteen payouts and wagering limits

You can have a minimum total bet of 40.00 and a maximum of 10,000.00 in Thirteen video slot. The game’s RTP is 95.31%.

Playing Thirteen on mobile

You can play Thirteen video slot on desktop, tablet, and mobile devices.

Why play Thirteen?

The gameplay of Thirteen video slot is simple, opening it up to players who are less interested in convoluted features and mechanics and would rather play a basic game that still offers a lot of variety.