Space Stacks

(Push Gaming)
Space Stacks Slot Logo – Free Play Demo by Push Gaming
CGSCORE 64 Average

This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.

Play the Space Stacks free demo slot—no download required! Try Push Gaming’s latest game, enjoy risk-free gameplay, explore features, and learn game strategies while playing responsibly. Read our expert Space Stacks slot review with ratings for key insights before you play.

Released:October 26 2022

Key Features
  • Reels: 10
  • Paylines/Ways: Cluster Pays
Game Mechanics: Themes:

Space Stacks Demo Slot

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Space Stacks Review

Space Stacks slot review

Space Stacks Reviewed by Casinogamesonnet.com

Push Gaming is definitely one of the most-creative slots developers out there. The creator of the “Fat Series” (e.g., Fat Drac) and Jammin’ Jars series, Push could call it quits and still be legendary. But this studio is at it again with another innovative slot in Space Stacks. You can read about what makes Space Stacks so unique below, along with its gameplay, win potential, RTP, and features.

Gameplay

Space Stacks introduces a brand-new slots engine called “Reelbets.” The jest is that you can place different bet sizes on different reels. This setup is unique to other online slots, where your wager covers the entire grid (number of reels). Also of note, you can decide how many reels you’d like to bet on versus having to play every one.

Space Stack pays normal prizes on seven of the reels and offers features on the other three. You bet on reels by choosing the desired number of casino chips. The chip denominations come in $0.01, $0.10, $1, $10, and $100 sizes. That said, you may feel like you’re playing craps or roulette while choosing wagers.

When you start a new round, the game will randomly enhance the first six reels. Enhancements can include multipliers worth between 2x-10x and boost prizes by 2x-1,000x. Next, blocker tiles and symbols continue falling onto the grid until at least one reel has 10 symbols. You win the given prize if you wager on any reel with 10 icons.

Space Stacks base game

Payouts and Max Win Potential

Regular pays (appearing on reels 1-6) include blocks with different shapes (e.g., planet, crescent moon). These symbols pay anywhere from 2x to 100x the stake. The Max Block (reel 10) can deliver up to 5,000x your stake - the game’s maximum overall payout. Bonus reels (7-9) include Astro, Flip, and Apex symbols.

RTP, Volatility and Betting Options

The minimum bet for any given reel is €0.01. Meanwhile, your maximum wager can be up to €10 or €100—depending upon the reel. The default Space Stacks RTP is 96.23%, but online casinos can request lower payout percentages. Therefore, you should check the info screen whenever playing at a new casino. Volatility is high, although we expected medium-to-high volatility because of the average 5,000x max payout.

Game Features

Again, you can look forward to potentially earning features with reels 7-9. The bonus reels can deliver a prize wheel, pick’em game, or larger enhancements.

Astro Reel

This reel can trigger a prize wheel with 32 different sections. Available prizes include multipliers worth 2x-1,000x, instant wins worth 2x-1,000x, and a “Collect” action. You’ll continue racking up prizes through this wheel until landing on Collect, at which point the bonus ends.

Space Stacks free spins

Flip

Flip brings up a 6x6 pick’em board with 36 coin symbols. Once you select a coin, you’ll reveal either a Rocket or an instant payout worth 1x-1,000x. You have three lives (picks) before this bonus round ends.

The first chosen Rocket provides a 2x win multiplier, while all subsequent Rockets build on the multiplier value. Multiplier possibilities include 2x, 5x, 10x, and 100x. You don’t lose any lives when choosing a Rocket—only when picking instant prizes.

Apex

This feature feels like the main game, but it does differ regarding prize values and multipliers. First off, reels 1-6 have beginning values worth 2x, 3x, 5x, 7x, 10x, and 20x. Enhancements can enhance the reels from 2x to 20x.

After you fill a reel, the prize goes into a collection meter. Once you fill another reel, the second prize will multiply the first win. You’ll then receive 3 lives, which you use to continue racking up wins. The lives counter resets to 3 whenever a new symbol lands, while you lose a life if no symbols appear. Apex continues until you either run out of lives or fill up every reel.

Similar Slots to Space Stacks

This game is incomparable to other online slots due to its unique gameplay and features. In terms of theme and graphics, Space Stacks feels like a cross between Starburst and Reactoonz. If you like the feel of the latter two games, you’ll be at home with Space Stacks’ look and atmosphere.

Our Thoughts about Space Stacks Slot

Space Stacks is definitely high on originality. Push Gaming didn’t just copy another developer’s formula and apply it to this space-themed game. Instead, it blazed its own trail with the Reelbets format.

Only time will tell if the Reelbets mechanic becomes a hit among general audiences. We certainly enjoyed this breath of fresh air with the unique betting system. Push Gaming will likely find a market for players who like wagering on individual reels.

The 5,000x maximum payout isn’t overly thrilling, but it’s a decent top win. Space Stacks is more about the new Reelbets mechanism anyways.

That said, you should give this game a chance if you’re looking for cutting-edge gameplay. We can’t guarantee that you will or won’t like Reelbets, but it’s worth a try.

Release Date

Space Stacks was released on October 26 2022.

CGSCORE 64 Average

This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.

Frequently Asked Questions About Space Stacks

Can I play Space Stacks without registering?

Yes! You can enjoy Space Stacks in demo mode without signing up. Try our free version above to explore the features. For real money play, visit one of our recommended Push Gaming casinos.

How do I play Space Stacks for real money?

To play for real money:

  • Choose a trusted Push Gaming casino from our list.
  • Register and make your first deposit.
  • Claim your welcome bonus (if available).
  • Search for “Space Stacks” in the slot section.
  • Set your bet and hit spin!

What is the maximum win in Space Stacks?

The slot offers a moderate max win of 5000x your stake.

Example: A €1 bet could return up to €5000.

Are there welcome bonuses for Space Stacks?

Yes! Most of our featured Push Gaming casinos on this page offer welcome packages that include free spins or bonus cash usable on Space Stacks. Always check the terms before claiming.

Is Space Stacks available on mobile?

Absolutely. The game is fully optimized for mobile devices, including iOS and Android.

Is the free demo version the same as the real game?

Yes, the demo mirrors the full version in gameplay, features, and visuals—just without real money payouts.

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