Space Stacks Slot

"Out Of This World Slot"

Space Stacks Slot Details

💸Paylines 10
🔄RTP 96.23%
🎰Jackpot x
Minimum Bet 0.10
Maximum Bet 100
🏆Maximum Win 5000x
🖥Software Provider Push Gaming
🎨Themes Alien
💎Design & Layout 10 Reel Slots
Features Multiplier
PhoebeJournalist at CasinoRange.comPublished DateNovember 1, 2022 | Last UpdatedNovember 1, 2022

The Space Stacks online slot will certainly split opinion. It is as far from a traditional slot as you can get. That said, we loved it and think those who like trying different games will do too. It is just another example of the innovation that Push Gaming has in its locker. For us, it resembles live casino games such as Crazy Time, Monopoly Live, or Sweet Bonanza CandyLand.


  • Innovative Game Mechanics
  • 5,000x Top Prize
  • Impressive Graphics
  • May Confuse Some

Space Stacks Slot Review

Bet on individual reels to win multipliers or trigger one of three bonuses on Push Gaming’s Space Stacks. This innovative release combines slot gameplay with a table game vibe thanks to the Reelbets mechanic. Unlock instant wins and multipliers of as high as 5,000x your stake. Learn more in our full Space Stakes slot machine review below!

Space Stacks Slot How to Play

So, how do you play this innovative new slot from Push Gaming? Well, using casino chips, you place bets on any of the 10 reels. The Reelbets mechanic allows you to vary how much you want to place on each reel. You can pick a single reel, wager more on certain reels, or just cover them all.

7 contain multipliers of your stake while 3 lead to bonus games. The first 6 reels start with multipliers of 2x, 2x, 3x, 5x, 10x, and 50x. However, these can increase randomly before the spin starts. Each can increase value by between +2 and +1000 or get multiplied by between 2x and 100x.

They labelled the 10th reel ‘Max’ and this is where you can land the 5,000x top payout on Space Stacks. As for the Astro, Flip, and Apex tiles, these are the bonus rounds we will talk about in more detail in the next section.

When the random add values or multipliers have been added to the first 6 reels, the game starts. Symbols drop onto the reels until one or more reach the top. If the player placed a bet on the winning reels, they claim the respective prizes.

Space Stacks on Mobile

Push Gaming has always catered for mobile players. The firm perfectly optimised the Space Stacks video slot for iOS and Android smartphones and tablets. You can access this popular title via any web browser or mobile casino app.

Space Stacks RTP and Volatility

The overall RTP is 96.23%, but the RTP you receive will depend on the reels you bet on. You can find more information in the paytable and information in the slot’s menu. As for the variance, I consider this slot to have medium volatility.

Space Stacks Slot Bonus Round and Free Spins

If you bet on the Astro, Flip, or Apex reels and get lucky, you will trigger the associated bonus feature.

  • Astro Feature: You spin a 32-segment reel that contains Bet Multipliers, Instant Prizes, and Collect. You spin to collect multipliers of between 2x and 100x or instant prizes of between 2+ and 1,000+. Your spins end as soon as you land on a Collect segment. At that point, the slot calculates your win and adds it to your balance.
  • Flip Feature: The flip Feature is similar in many ways, as there are multipliers and instant prizes. This time, you pick titles hoping to land rocket symbols that multiplier from 2x to 100x or instant prizes. You get three picks, and at the end; you receive the wins you picked up.
  • Apex Feature: This bonus is similar to the base game. The 6 instant win reels return but with increased multipliers. The values from left to right are 2x, 3x, 5x, 7x, and 20x. However, the Enhancement Feature can increase random reels by between 2x and 20x. The difference is that you will fill at least 2 reels. Once you do, you receive 3 lives that deplete on any spin that does not produce a new symbol. When you land a new symbol, your lives reset. The feature ends once you have filled all reels or run out of lives.

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