Aliens are extraterrestrial creations that provoke many questions on the human-populated planet Earth. The supposedly existing alien civilization is a favorite theme in slot machines, and let us tell you why. Gaming is the purest form of entertainment that ever existed, and, no doubt, flying in space, metaphorically speaking, will leave you satisfied. Exploring new planets and forms of living offers many advantages that you can imagine. Although there is no proof of aliens existing in real life, we can assure you that they are very much present in online casinos and are waiting to have fun with you. Science-fiction and alien slots themes offer outstanding visuals, many bonuses, free spins, jackpots, and a lot more. Hurry up and join us on an outer space adventure to discover them!
(14 Slots Reviewed)
The first slot we are presenting you is Boom Brothers, an original game done by the award-winning NetEnt, a pioneer in the iGaming industry. The slot machine will take you to the diamond mines where the dwarf brothers dwell. Boom Brothers offers many extras, starting from the flexible betting limits. The minimum bet is $0.20, and the maximum goes up to $100, giving you a chance to win up to $190 000! The 20-paylines slot has a classic 5×3 layout and a high RTP of 96.40%. The paytable of the game includes two types of symbols: the low-paying are a helmet, bucket, pickaxe, and a lantern. But you focus on the other creature-inspired symbols – the funny heads will bring you the big prize.
Monsters walk out of their hideaway pour take over the mortal world thanks to Evolutionary Gaming Experience, more famous as Evoplay. In Necromancer Slot, be prepared to meet creatures of all kinds and to win many respins! The 40 paylines of the slot machine accept bets from $0.1 up to $500, which is more than satisfying. The 3D slot offers stunning visuals, vibrant colors, and a captivating soundtrack. Play on your mobile or desktop – there are no limits. Dive into the monster underworld and make winning combinations on the 5×4 reel Necromancer Slot.
Grim Muerto Slot opens the doors to a different perspective of Mexico, focusing on a Dia de Los Muertos theme. Join the party and celebrate the dead with good music, vivid colors, funny costumes, and skeleton masks. The overall atmosphere of the 5×3 slot is amusing and entertaining – you won't spend a second being bored. Spin the reels and bet up to $100 per single round. Free spins and wild symbols (a golden guitar), there are lots of them. Join the band of mariachi and enter the Grim Muerto's world full of riches!
We continue the list of superpower creatures with a vampire-themed slot named Blood Suckers. The name that NetEnt chose for its product is quite comprehensive, so you can expect to see many bloody scenes during your gameplay. The game was launched in 2013, and since then, it's number one on the gamblers' wish lists. The slot machine has 25 paylines and will introduce you to some super cool features. There is a Wild symbol that can substitute for any of the rest, and if you land 3 Scatter symbols, you will be rewarded with up to 10 free spins. Blood Suckers is fully optimized for smartphones and tablets and offers an easy-to-navigate menu.
Another amazing title by NetEnt is Zombies Slot. Chase the zombies and make winning combinations on the 5×4 reels. The 20 paylines welcome you to place bets between $0.20 and $20. Despite the nasty zombie atmosphere, you will experience a betting session on a high level. The slot machine offers you many appealing features – wilds, scatters, and never-ending free spins. And if you get tired at some point, try the auto play mode and let the chance do its job. In every casino powered by NetEnt, you can also find a Free Play mode, in case you prefer to give it a try first.
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An indisputable leader and pioneer on the market, NetEnt is the first name that comes to mind when talking about alien-themed slots. Founded in 1996 in Stockholm, the brand is more than reputable as it offers a one-of-a-kind portfolio. For real fans of online casinos, NetEnt's titles are an all-time favorite. Thanks to the various themes, high-quality graphics, and most of all, rewarding bonuses, the company partners with hundreds of casino operators and keep the audience satisfied.
Right after that comes Evolution Gaming, a software developer with many years of experience in the iGaming field. The company offers to both casinos and players extraordinary technology with the latest trends in the sector. Other than slot machines, Evolution is world-famous for its live casino games – roulette, blackjack, poker, and baccarat. With some of the best odds on the gambling market, the brand knows how to attract more and more fans. The story of Evolution Gaming begins in 2006, and ever since this year, they keep surprising us with newer and more exciting titles.
Play'N Go is another essential game provider specializing in slot machines. Excellent graphics, first-class animations, beginner-friendly platforms, and exclusive bonuses are only a few of the distinctive characteristics of the Swedish brand. Optimized for any device, the software of Play'N Go will give you the unique opportunity to play from your mobile. State-of-art thinking and an avant-gardist approach are the strengths of the developer and will surprise you with the various game solutions that come to life every month. The brand only supports premium online casinos and offers its games to licensed operators.
Evoplay Entertainment is a Ukrainian company that focuses provide online casinos with high-quality slot machines. All of the games are regulated by the respective authorities and are safe and secure choices. After the brand was founded in 2003, it quickly became a popular choice thanks to its dedication to the process. The team of Evoplay prides itself on having a diverse game portfolio, including video and 3D slots, table games, virtual reality, and generous bonus packages.
The game elements in alien slots themes are very similar to what you have seen before. Free spins, wild symbols, scatters, multipliers – all these features are present, and now is the time to take advantage. The symbols are inspired by extraterrestrial creatures, some are more playing than others, and the rules vary from one game to another. In the paytable of any slot machine, you can discover all the information you need. Take notes because you need to know the game in detail if you want to win. Remember that the best strategy is to be confident with the combinations you need to make on the reels – prepare in advance and have fun spinning the spooky reels!
Playing to have some fun should be the main goal that you have, no matter the theme of the game you choose. However, alien slots themes offer to take you on a one-of-a-kind and out-of-space travel experience. Visit new planets, explore new civilizations and galaxies, meet the friendly creatures and make new friends – all that by playing the best games done by the leaders in the gaming industry. If enriching your culture and discovering engaging storylines is not enough for you, then there's no problem. We assure you, after giving a try to the slots we present to you, we confirm that they offer enough bonus features that will get your interest. Join now and start betting!
Register at 7signs Casino and choose from seven generous welcome bonuses available! Here, you will immediately feel at home, and you will explore the quality library that counts more than 1000 titles from NetEnt, QuickSpin, Amatic, and BetSoft. The platform offers services in 15 languages – English, Russian, German, French, Italian, Hindi, Hungarian, Polish, Norwegian, Portuguese, and others. Make deposits with a debit or credit card, Neteller, Skrill, and Ecopayz, and enter the private VIP club where you will be rewarded for your loyalty.
Play the above-mentioned Necromancer slot at Wolfy Casino and take advantage of the unlimited Wolfy Cashback Bonus. The casino brand was launched in 2020 but has already more than 3000 games in its portfolio. Poker, blackjack, roulette, dices, thousands of slots – Wolfy Casino challenges you to try them all! When entering the venue, you will notice a beginner-friendly platform with extreme flexibility. Payment methods, languages, customer support, generous bonuses, mobile compatibility – Wolfy has all it takes to become your favorite gambling website!
Tsars Casino is another excellent alternative if you want to spin the reels of alien slots. The brand is property of RR Investments N.V. and owns a certificate issued by the Government of Curacao. Tsars' priority is to take your gameplay to the next level by winning your trust and making you feel safe. Here, you will never become a victim of fraud, and you will experience no trouble. First, second, third, and fourth deposit bonuses prove that the online casino wants you to win and have fun, above all things.
And if you liked Zombies Slot, here is where you can bet on it – YoYo Casino, Bitkingz Casino, and Betinia Casino. All of the operators offer a first-class gaming experience, coming with many prizes for the most loyal of you. Show your dedication, and you will see the rewards starting to rain. Slot machines or live casino games with professional dealers – those casino venues won't disappoint you and will offer you many hours of exciting gaming!
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The best slots with alien storylines are Boom Brothers, Necromancer Slot, Grim Muerto, Blood Suckers, and Zombies slots.
In all slot machines you will discover many free spins, wild symbols, scatters, and jackpots.
Among the leaders in the industry, you will find NetEnt, Evoplay, Evolution Gaming, and Play'N Go.