10 Best Space Slots to Play at UK Online Casinos in 2024

Space slots can transport you to a galaxy far, far away while also rewarding you with free spins, multipliers, and progressive jackpots. Some of the best slot games of all time belong to this category and have thousands of fans all over the world.

If you’re prepared for intergalactic casino travel, you will enjoy our list of the top 10 space slots offered by casinos in the UK. We’ll help you discover where you can get the best space theme slot machines and what you can expect from them.

What Are Space Slots?

Slot machines that are centered on the concept of space are referred to as space slots. These typically incorporate various space-related symbols, such as extraterrestrial beings, planets, galaxies, spaceships, astronauts, explorers, space missions, and so on.

Space slot machines have thrilling storylines, which, in combination with awesome soundtracks and fun graphics, make the gameplay that much more enjoyable. Not to mention, a plethora of bonuses and rewards are awaiting you right when you start playing space slots.

How to Play Space Slots Online

To begin, before you start looking for suitable space slots to play, you have to choose the kind of game that you wish to engage in. For example, you should decide which form of a slot machine is more appealing to you—the traditional one with three reels and one payline or a high-tech video slot machine.

This choice may affect not only the rules of the game but also the tactic that will provide you with the greatest opportunity to win.

Additionally, you should think about the bonus rounds and any other unique features that can make your playing experience more interesting. Most space slot games come with generous return-to-player percentages (RTPs), a significant amount of free spins, and hefty jackpots.

10 Top-Rated Space Slots

Now that you know what space slots are, let’s have a look at the 10 best space slots that are offered at online casinos in the UK.

#10. Starburst

Starburst - space slots

Starburst is a slot game developed by NetEnt, featuring 5 reels, 10 paylines, a maximum payout of 500 times the wager per spin, and an RTP of 96%.

The game’s major attraction would be Starburst Wild—a multicolored rainbow icon that might show up on reels 2, 3, or 4. Upon landing, it fills the entire reel, locks in place, and initiates a respin. If another expanding Starburst Wild appears during the respin, both expanding wilds will stay in place for a third consecutive respin.

If this sparked your interest, you can give this space-themed slot game a try at Luckster Casino.

#9. Space Invaders

Space Invaders

Inspired’s Space Invaders is a 5-reel, 20-payline slot that offers a return-to-player percentage of 95% and a maximum payoff of 1,250 times the initial bet.

A UFO may appear above the reels at any time during the base game. If the cannon hits the UFO, the player receives one of the following five bonuses:

  • Wild Cannon
  • Monster Wild
  • 5 of a Kind
  • Mega Reel
  • Bonus Boost

If you get three or more bonus coin scatters during the main game, you will unlock the bonus feature. A bonus game can be collected or gambled on after a spin of the feature wheel, which can award any of the six available bonuses—Shoot Out, UFO Climber, Wild Cannon Free Spins, Monster Wild Free Spins, Mega Reel Free Spins, or Space Invaders.

If you want to find out what else this game has in store, Yako Casino is the place to go!

#8. Fluffy In Space

Fluffy In Space - space slots

Eyecon’s Fluffy In Space is a slot game with a maximum payout of 2,500 times your initial wager, 5 reels, and 25 paylines. The RTP for this slot is 96.35%.

If you get 3+ Nelly the Pink Elephant scatters, you will trigger 3x free spins, where she may appear at any place, stay sticky for the whole duration of the bonus, and restore the number of free spins back to 3.

In addition to Nelly’s free spins bonus, 3 or more planet scatters will award 6 additional free spins, up to a maximum of 50 additional free spins.

You can visit Casushi Casino to play this game.

#7. Space Stacks

Space Stacks

Push Gaming’s Space Stacks slot has a maximum payoff of 5,000 times your bet and a return-to-player percentage of 96.23%.

In this game, players place their chips (a kind of wager) on the block they choose at the start of the game. Bets can be placed on one of ten different blocks, three of which have unique features.

Astro is the first feature, and it provides a reward wheel with 32 sections that can be spun for multipliers, instant prizes, and collections. Activating Flip will bring up a 6×6 grid of prize tiles that the player can pick from. Finally, a feature called Apex can increase your multiplier by up to 20 times.

Visit Videoslots Casino if you’re interested in playing Space Stacks.

#6. Starz Megaways

Starz Megaways - space slots

Starz Megaways, developed by Pragmatic Play, has a maximum payoff of 10,000 times your wager and features 6 reels and 117,649 paylines. The RTP is 96.48%.

Here, any appearance of the bonus symbol depicting a ball of fire is what you are after. Getting 3, 4, 5, or 6 of these anywhere in view activates the Free Spins feature, which awards 6, 8, 10, or 15 free spins accordingly.

Only the wild symbol is altered during free spins. Expanding wild symbols continue to stay sticky and fixed firmly in position for the duration of the feature.

If you want to try your hand at this game, you should head on over to Pub Casino.

#5. Sparky And Shortz Hidden Joules

Sparky And Shortz Hidden Joules

Sparky and Shortz Hidden Joules, a slot machine from Play’n Go, has 5 reels, 10 paylines, a 96.28% RTP, and a maximum payoff of 10,000 times your wager.

In this game, if there are three identical symbols on a single reel, they will merge into a single stacked symbol. This results in a one-point rise in the total victory multiplier.

During base gameplay, the Boost Meter could go off at any point. If that’s the case, a random multiplier value will be selected.

Players are awarded 10 free spins when three or more Power Cell scatter symbols appear anywhere on the reels. There is a chance that a player could win a hundred free spins in this bonus game.

Check out mr. Play Casino if you are interested in giving this game a try.

#4. Space Wars 2 Powerpoints

Space Wars 2 Powerpoints - space slots

Space Wars 2 Powerpoints by NetEnt has a maximum payoff of 10,020 times your wager, six reels, cluster payouts, and an RTP of 96.05%.

A column blaster symbol is awarded for completing a horizontal winning line of four symbols in either the main game or the bonus game. By doing so, only wild and bonus symbols will remain on the reels, increasing your score.

When players are having a lot of success, a bomb icon will be added to the grid. When these combs burst after a win, they will wipe off the surrounding symbols and contribute to the score.

Once you have accumulated at least 1000 points, you will unlock a bonus round where you get to spin the reels for free. A total of 8 rows are added to the grid, and the number of bonus spins is linked to the player’s score.

Give this game a try at the All British Casino.

#3. CritterPop


Space-themed slot machine CritterPop by AvatarUX features 6 reels, 65,346 paylines, and a return-to-player percentage of 96.08%. Meanwhile, the maximum payout is 20,000 times the player’s initial wager.

PopWins is a bonus feature available in the game—as two new symbols appear to take the place of a winning one, the reels grow in height. Until there are no further victories, this process will continue.

If you manage to get 3, 4, or 5 scatters while playing the base game, you will be awarded a free spins bonus. Free-spin modes come in a total of three varieties. The starting ways awarded are 2,048 for 3 scatters, 6,250 for 4 scatters, and 15,552 with 5 scatters.

Go to Mega Casino if you’re eager to give this game a shot.

#2. Astronaut

Astronaut - space slots

Red Tiger Gaming created the space-themed slot machine Astronaut, which has an RTP of 96% and a maximum payout of 50,000 times the initial bet.

A Green Crystal, a Red Crystal, or a Golden Shield will be revealed after the reel stops spinning. If you manage to catch a Green Crystal, you will advance to the next tier of rewards. After that, you may either collect your winnings and keep spinning or pay out with the Take Half button.

If a Red Crystal falls, the round is over, and you get nothing more than what you cashed out for.

Once you land a Golden Shield, the game will spin continuously until you land a Red Crystal. When this happens, you will break the shield and enter Advanced Mode, where higher rewards await.

Yeti Casino is the place to go if you want to try your hand at this thrilling space slot.

#1. Space Miners

Space Miners

The maximum reward in Space Miners by Relax Gaming is 50,000 times your initial wager, and the slot features six reels and 1,000,000 paylines.

Blockers containing a power-up on the reels must be eliminated for you to activate the power-up feature. Available power-ups include horizontal, vertical, cross, and three-by-three blockers.

If you collect three or more bonus symbols while playing the main game, you will win six free spins. If you get more than three bonus symbols, you will get two more free spins. When a blocker is eliminated during a free spin, it’s gone for the duration of the bonus round. When free spins are active, each bonus symbol you land on awards an additional spin.

You may give this game a shot at PlayOJO Casino.

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Why Should You Play Space Slots?

The following are some reasons why you should give space slots a try:

  • High RTP. Most space slots have a high return-to-player (RTP), which means that a player has a greater chance of winning. The highest RTP among the games we recommend is 96,48%, and the lowest is 95%, which is still quite excellent.
  • Bonus features. It’s no secret that slot machines with a space theme provide an array of bonus features. Use the games’ wild symbols, scatters, free spins, and more to your advantage.
  • Sign-up bonuses. In general, new players at UK online casinos may expect hefty welcome bonuses for space slots.
  • Safety. Playing slot machines with a space theme at UK-based online casinos does not impose the risk of a stolen identity or loss of money. For the safety of British gamblers, the UK Gambling Commission and the Malta Gaming Authority keep tabs on online casinos.

Best Space Slots Developers

The following software manufacturers have created some of the most popular slot games with a space theme:

  • Pragmatic Play. Pragmatic Play may have started out in 2015, but its HTML5 video slot development platform is already the gold standard. Their most popular games include Buffalo King (Western slots), Pirates Pub (pirate slots), Vampires vs. Wolves (vampire slots), and Wild Wild Riches (Irish slots).
  • Play’n Go. Since 2005, Swedish manufacturer Play’n Go has supplied online casinos with various interesting slot games. Fire Joker, Diamond Vortex (diamond slots), and Rich Wilde and the Book of Dead (adventure slots) are some of their best-known titles.
  • NetEnt. Pontus Lindwall founded NetEnt in 1996. This developer is currently the market leader in providing superior gaming solutions to the most prominent online casino brands in the world. Mega Fortune, Gonzo’s Quest (Aztec slots), and Narcos (TV slots) are just a few of its most popular games.

Key Takeaways

  • Slot machines with a space theme typically feature visuals of galaxies, spacecraft, aliens, and so on.
  • Space Miners, Astronaut, CritterPop, and Space Wars 2 Powerpoints are among the top 10 space slots.
  • Space slots are quite popular among players because of their generous payout percentages, welcome bonuses, security features, and other exciting bonuses.
  • The three best-known names in the space slots sector are Pragmatic Play, Play’n Go, and NetEnt.

Space Slots FAQ

#1. Why are space slots so popular?

Gamblers enjoy playing space slots because these games typically have engaging space visuals that improve the whole experience of playing. In addition to this, they provide fantastic payouts and a plethora of extras.

#2. Can I play space slots for free?

This depends on the casino in question; some of them offer this option, while others do not. You can try your hand at some of your favorite games without making an initial payment only if the online casino you choose to play at offers such an option.

#3. What is the best space slot?

Space Miners is the greatest space slot out of the top 10 space slots included in this article because it has fun gameplay, intriguing features, and a fantastic payout that is 50,000 times your wager.

#4. Where can I play space slots?

You can play space slot games at online casinos in the UK. Not only does the United Kingdom have some of the top online casinos for gambling, but these casinos also have a wide selection of games to choose from and rigorous security protocols in place.

Rachel Pine

Slots Expert

Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 3,000 slots.

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