Sci-fi Slots

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Where and how to play free Sci-fi themed slots

Sci-fi slots

If you are interested in sci-fi adventures you'll love the themed slots that you'll find available at We have a number of sci-fi demo slots available to play and you don't need to register to play them. You can enjoy the sci-fi themed slots right on our website without having to download any software.

Play sci-fi slot demos for free now at to take part in exciting science fiction escapades that are sure to leave you breathless. Find out more about the different features on each game before heading to a casino and registering there to play them using real money. You'll have the upper hand when you have already mastered the demo games.

There are a lot of different features to be found on the various sci-fi slots. You'll probably be looking for games that offer more bonus features and paylines than others.

Sci-fi themed slots overview and history

Man has always had a big interest in aliens and space travel. Many people thrive on science fiction movies such as Alien, Men in Black, ET etc. There have been many discussions about extraterrestrial life and as a result sci-fi slots have earned a special place in the casinos. Several slots have sci-fi themes but you'll need to discover the ones that you like the best. If you like sci-fi slots you may also love mystery slots as well.

Sci-fi themed slots – which symbols are typical

Sci-fi themed slot machines have a number of different symbols including aliens, monsters, planets, spaceships and much more. You may find yourself involved in a space invasion and you're sure to enjoy the spaceship scatters found on some of the sci-fi slots.

Popular Sci-fi themed slots

There hasn't been a lot written about sci-fi themed slots so to help you find your favourite we have listed 3 of the most popular games available today.

Starburst by NetEnt

This is an exciting cosmic sci-fi themed slot machine that were sure you'll love. It has become one of the world's most popular games due to its Starburst Wilds. These are special symbols that show up on the central reel and when they appear they lock up and expand. When this occurs you'll receive a free re-spin, which can greatly enhance your payout.

Space Wars by NetEnt

This sci-fi themed slot has you locked in an intergalactic battle. You'll be very impressed with the graphics and we’re sure you'll love the cloning pod bonus for re-spins. All of the winning symbols are placed into the cloning pod with duplicates shooting back with a re-spin of the reel. This gives you extra chances to try your luck.

Alien Hunter by Playtech

This is a classic sci-fi game that was originally released back in 2007. It still remains popular to this day due to its amazing bonus features. Take part in the egg hunt bonus to collect eggs from aliens for big payouts. You can also take part in the sharpshooter bonus where you'll be gunning down extraterrestrials.

Bonus rounds and payouts of casino games with Sci-fi theme

Every sci-fi themed slot game has its own particular bonus round and payout level. The best thing you can do is play the demos at to see what each game has to offer. Keep in mind, however, that some of the sci-fi slots don't have bonus features.

If you’re looking for higher payout levels, search for games that do have bonus rounds. You'll also enjoy these games much more since you'll increase your chances of getting a big win.

Return to players RTP and strategies when playing online slots with Sci-fi theme

Sci-fi themed slots often have an RTP that is more than the 95% average. You should be aware, however, that some have a lower average. Your best bet is to look online to find the RTP numbers for the sci-fi slots you love the most.

You'll find that when you're playing the demos on our site that you'll develop your own strategies for each game. It's easier to work out a strategy when playing a free demo since you have nothing to lose by trying different ones.

Software providers of Sci-fi casino slot games

Most of the major software providers have released at least one sci-fi themed slot. Some examples of the major software providers include the following:

  • NextGen
  • NetEnt
  • Yggdrasil
  • Playtech
  • Game Art
  • Merkur Gaming
  • Amatic
  • Habanero
  • High 5
  • WMS
  • Habanero

Mobile Sci-fi themed slots

Most of the sci-fi themed slots have been optimized to be played on mobile devices such as tablets or smart phones. Most are supported by both Android and iOS systems. You can look for mobile apps for these slots at the Google Play Store or at the Apple Store.

Pros and cons of Sci-fi themed slots


  • There is a wide variety of sci-fi slots available
  • Many sci-fi themed games come with great features and bonus rounds
  • You'll find that these sci-fi slots take you away to another world


  • Some of the sci-fi slots don't have special features and jackpots so you should play some demos first to find the best ones.


If you love sci-fi adventures you'll certainly enjoy playing sci-fi slots. Take a trip to other worlds to discover different planets and space beings. We have tested many different sci-fi slots and we’re sure that you'll love them just as much as we do.


Can I play sci-fi themed slots for free?
Yes you can! You'll find several demos available with the sci-fi theme on our site here at
Do sci-fi slots provide a good RTP?
Every sci-fi game has a different RTP. While many are about 95%, there are some that are lower.
Can I play a sci-fi themed slot on my mobile device?
Yes you can. Most sci-fi slots have been optimized for mobile play.
Can you expect good sounds and graphics with sci-fi slots?
We did not find a sci-fi slot that didn’t have good graphics and sound effects.

Overall rating of Sci-fi slots by Casino Robots

Casino Games: Sci-fi Slots; Requires: Browser with HTML5 support and web device with OS like: Windows, Android, iOS, Linux, etc.; Type: Game; Price: Free (0); Rating: 9.77 out of 10