Bat Stax Slot Machine

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Greentube is coming out with its very own horror themed release for this Halloween, and the name of this fun new slot machine is going to be Bat Stax. They obviously chose the terrifying creatures of the night for inspiration, and huge swarms of these little critters are going to come in at the right times. You get good graphics, medium volatility and a couple of features that we’re going to talk about below.

First, you find a slot machine with 5 reels & 20 active lines, about what you’d expect. This medium volatility release (3 out of 5), will have a 95.19% RTP, not quite high enough to make us love it immediately. On the features list, you can get the scatters, free spins, re-spins and wilds. Regarding the game’s top rewards, those will reach values of up to 1,000x total stake, which seems fine for a medium volatility release.

Betting and Prizes

You get the chance to start things slow, if you just want to test the game out, and that means betting as little as $0.20 on each round. There is the option to wager considerably more as well, though the top bet available is $50. With those two extremes to guide you, the range of your line bet is going to be anywhere between $0.01 and $2.50.

As the game’s top rewards are said to reach a value of 1,000x total stake, about the most that the game can deliver is $50,000, for a single spin. You do need wild symbols to cover all positions on the reels, in order to get that kind of return from the slot.

This is a game with medium volatility, so it’s not very risky to play, not as much as slots paying a lot more anyway. RTP is said to be at 95.19%, which is not a great figure, and actually it’s the one thing dragging the game down.

Bat Stax Slot Features

Who better to act as the wild symbol, than the Bat itself, the star of the game. These can land as expanding symbols on the reels, and at certain times they could even bring re-spins to you. Acting as substitutes, the expanding wilds are going to be part of whatever new wins you can get.

Should 3 Bats land at the same time, they first expand on their reels, and then they all move to the first three columns. They basically guarantee wins on all lines then, and you get paid accordingly.

Pumpkin Scatters are the ones able to trigger free spins for you. The game needs them to land 3 to 5 times, in order for 10 to 25 free rounds to be delivered. Once in this free games mode, the free spins can be triggered again even with only 2 scatters. In that eventuality, a re-spin is triggered on the reels that don’t have Bats.

Theme & Design

Theme wise, since it’s Halloween themed, we find that the game uses mostly creatures of the night, or which we associate with witches. You find a spooky night sky in the background image, while on the reels the images shown will be of Pumpkin Bonus icons, Witch Hat Wilds, Bats, Owls, Cats, Spiders and several less interesting Royals. Not a bad design overall, though we’ve definitely seen better over the years.


Bat Stax has potential as a Halloween themed slot machine, and it can work fine for this time of the year. The major downside is the size of its RTP, which is why it’s not likely to be a top choice for anyone in the long run.

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