Remove your helmets and take a deep breath, space cadets! We’re about to venture beyond the stratosphere into the world of stellar space-themed slots. These cosmic games will transport you to galaxies filled with jaw-dropping graphics, out-of-this-world features, and potentially supermassive payouts. So power up your rocket boosters and get ready to explore the top 10 greatest space slots the cosmos has to offer.  

Top 10 Space slots

Name Provider Paylines Volatility DEMO 
Starburst NetEnt 10 (both)LowYes
Starz MegawaysPragmatic Play 117,649HighYes
Astro Newts Megaways Iron Dog Studio 117,649HighYes
Astro CatLightning Box1,269MediumNo
Space Miners Relax729HighNo
Star Bounty Pragmatic Play 4,096HighYes
Gemix Play ‘N GO ClusterMediumYes
Reactoonz 2Play ‘N GO ClusterHighYes
Space DonkeyNoLimit46,656MediumYes
Fluffy In SpaceEyecon25HighNo

Starburst

No list of great space themed slots would be complete without the game that started it all – the iconic Starburst slot from NetEnt. This iridescent classic is renowned for its straightforward gameplay and dazzling expanding wilds that trigger lucrative re-spins. Simple yet stellar, Starburst laid the foundations for many new-age space hits. If you like Starburst, try Blueprint’s Winstar slot too.

Starburst slot screenshot
The iconic Starburst slot

Starz Megaways

Go supernova with Starz Megaways, the online slot that takes cosmic fun to a whole new level. This one features dazzling gems, twinkling stars, and a galaxy of winning opportunities with its Megaways mechanic. With up to 117,649 ways to win, expanding wilds, and an electrifying free spins feature, it’s about as much intergalactic fun as it gets in the slots world. What more do you want? Moon on a stick?

Astro Newts Megaways

These newts aren’t exactly out of this world, but this interstellar Megaways hit from Iron Dog Studio sure is! Choose your cosmic cute newt crew and blast off on an epic 117,649 way adventure. The infectious space rock soundtrack will have you head-banging as you trigger free spins, multiplier trails, and potentially a 20,000x max megaways win. 

Astro Newts Megaways slot online
Play Astro Newts Megaways at PlayOJO

Astro Cat

Astro Cat Deluxe is a popular slot machine, but I like the original Astro Cat, a purr-fectly cosmic online slot game that blends Asian flair with intergalactic adventures. With a stellar night sky backdrop and reels packed with lucky cats, dragons, and koi fish, it’s a visual delight. The star of the show is the Reelfecta reel, offering a whopping 1,296 ways to win. Watch out for the Astro Cat Wild symbol, as it expands and triggers free spins for astronomical payouts. Get ready to embark on a meow-nificent gaming journey!

Space Miners

Venture deep into the asteroid belt with Space Miners, a highly volatile hit from Nolimit City that’s absolutely out of this world. This cluster pays game features a unique Free Fall feature where winning combos get blasted off to allow new icons to drop in for extended win streaks. Fill the crater meter to earn free spins and multipliers up to a staggering 34,192x your stake.

Space Miners slot machine
Space Miners online slot

Star Bounty

There’s a big bounty on alien outlaws in this Pragmatic Play adventure. Star Bounty’s slick graphics and atmospheric sci-fi soundtrack immerse you in the lawless frontier. The Bounty Streak has an unlimited multiplier that increases with every react win, taking payouts into the stratosphere. Just watch your back for those pesky Space Skunks.

Gemix

They say a “rave in space” is the place to be, and Play’n GO delivered with this intergalactic gem of a game. Gemix’s neon-drenched futuristic visuals are a feast for the senses, accompanied by a pulse-pounding electro beat. With every cluster of 5+ Gemotronic symbols you can trigger the dazzling Light Show for galactic wins.

Reactoonz 2

Meet the quirky and mischievous Reactoonz in yet another electric online slot from Play’n GO. It’s a game that is bursting with alien life, where colorful and adorable alien creatures light up your screen. With its cascading symbols, wild features, and an exhilarating Gargantoon mode, Reactoonz 2 is box office space slot madness. Gather your energy and prepare to unleash your inner extraterrestrial as you spin the reels in a cosmic adventure like no other.

Space Donkey

Hold on tight and get ready for a wild ride with Space Donkey, one of the coolest online slots at PlayOJO casino. This retro video game adventure features Gameboy style graphic and music, and an unbelievable array of bonus features like Seek N’ Destroy, a mini game where you kill aliens to win multipliers. With its wacky theme, vibrant visuals, and some of the best features I’ve seen in sci fi slots, Space Donkey had me braying with joy.

Space Donkey online slot
Space Donkey slot machine

Fluffy In Space

Perhaps the cutest online slot in the universe, Fluffy In Space takes the well-known fluffy friends to the stars for some free spins, multipliers, and a chance to win planet-sized jackpots. It’s hardly the best looking game in the cosmos, but as usual with Fluffy slots, it’s the features that have propelled this one into my top 10 slots with a space theme.

Conclusion

There you have it – the greatest stellar space themed slots this side of the Milky Way. Whether you opt for all-time classics like Starburst or push toward the new frontiers of Megaways and reactive clusters, these out-of-this-world games promise a galaxy of fun. Suit up, strap in, and get ready for lift off! 

FAQ

Can I play space slots for free?

Sure, you can try most slots at PlayOJO for free, provided you create an account and are verified first. Once you have a verified account, which can take just a few minutes, you can play any slot that has a ‘Try For Free’ option, no deposit needed.

What are the best alien themed slots?

Reaztoonz and the many other sci fi slots in the ‘Toonz family are the undisputed intergalactic overlords of alien slots, but there’s no shortage of competition. Iron Girl, Mayan Gods, Captain Xenos, Invading Vegas, Stars Awakening, Slingo Space Invaders and Rocket Blast Megaways are just some of the huge variety of spce themed slots with aliens that you’ll find at PlayOJO.

Is Spaceman a space themed slot?

Spaceman is a crash game from Pragmatic Play. Although it uses math that is similar to slot machines, it’s a very different game format that requires players to choose when to cash out before the game’s randomly chosen end.

Why is space a popular theme for slots?

Space and aliens are popular themes for online slots coz of their appeal as the great unknown, and our fascination with science fiction, visually captivating cosmic landscapes, and the creative possibilities they offer. There’s a big chunk of nostalgia, connecting with those who grew up watching sci-fi movies and playing video games centered around space and aliens. Games like the Star Trek The Next Generation slot and Rick And Morty Megaways tap into this nostalgia perfectly.

Daniel Grant

Daniel Grant

Dan Grant has been writing about gambling for 15 years, and been fascinated by beating the odds for even longer. Now he’s on a mission to help others bet smarter and avoid the mistakes he made. When he’s not obsessing over bankroll strategy or counting cards badly, he’s hosting The OJO Show podcast.