The best Aliens slots in casinos

Why are Aliens slots so popular in casinos?

The very first aliens slot was Invaders from the Planet Moolah by WMS, released in 2006. This slot became famous for its cascading reels, 50 freespins bonus round and funny theme (aliens are cows that came to Earth on saucers).

In general, aliens are a common theme in pop culture: movies are made about them, books are written and games are made. Not surprisingly, aliens have also appeared in online casinos.

Slots with aliens are popular due to two things – interesting bonuses with winnings up to x25,000 and bright graphics with special effects. Providers come up with something new every year, so games with aliens do not lose popularity.

Top 10 best Aliens slots in 2025

Below is a selection of the most popular aliens slot in 2025 from well-known providers.

Reactoonz (Play’n Go)

Reactoonz is an iconic alien slot from Play’n Go, released in 2017. The maximum you can win here is x4570 to your bet.

The playing field is 7×7 with a cluster payout system: the more identical symbols fall next to each other, the higher the win amount. RTP is 96.51%, volatility is high.

For one spin you can win several times. And each win is added to the Quantum Leap bonus scale. And as soon as it is filled, one of the bonuses appears:

• 3-6 random symbols turn into Wild + neighboring symbols are destroyed.
• A random symbol is selected and all such symbols are turned into other symbols.
• All symbols with low multipliers are removed from the field.
• The Wild appears in the center of the field and a cross of identical symbols is built from it.

But the main bonus of the game is Gargantoon. It is activated when the bonus bar fills up 5 times in a row. A giant 3×3 Wild appears on the field, which splits into 2×2 and then into 9 separate Wilds, creating a huge number of combinations!

Fire My Laser (Hacksaw Gaming)

Fire My Laser is an alien adventure slot from Hacksaw Gaming, released in the year 2024.

Here you will have to fight alien invaders. Use lasers and bombs to destroy symbols on the field and get wins:

• bombs explode in a 3×3 or 5×5 area around them;
• lasers destroy symbols diagonally across four sides (like the letter X).

After the explosions symbols disappear, and in their place fall new ones. So you can win several times in one spin.

Characteristics of the slot is not bad – volatility is medium-high, RTP 94.31%, maximum multiplier x15,000.

The slot also has two types of freespins:

• Alien Attack — 8 free spins, where all multipliers obtained are summed up, and applied when a special symbol falls.
• Extermination — 12 free spins where the multipliers add up and trigger each spin.

Mystery Mission to the Moon (Push Gaming)

Embark on an intergalactic adventure in search of x10,000 to bet with Mystery Mission to the Moon, an alien slot from Push Gaming, released in 2022.

The playing field is 6×4, 20 paylines. RTP 96.25%, volatility is high.

The slot has free spins. Up to 14 freespins are activated if 3+ Wild symbols fall on the field.

There are also Mystery Stacks here – this is a symbol with iron doors that occupy several cells on the reels. If 3+ such stacks fall out, they occupy the whole reel and turn into the same symbol.

Superstars (NetEnt)

In 2022, NetEnt released a slot with aliens Superstars, where all the characters are heroes of other popular slots of the provider.

The playing field is 5×5 with 45 paylines. RTP 96.08%, volatility is medium-high, maximum multiplier is x4596.

The bonus feature here is a combination of a table game and Hold & Win. Here you need to throw a die and walk the chip across the fields. The chip can stop on an empty square or on a character with its bonuses:

• Finn – increases the value of symbol multipliers by +5;
• Gonzo – adds 1 to 5 dice for additional rolls;
• Lady Pig – creates multipliers with large value;
• Brute – places large multipliers in random cells on the playing field;
• Sturburst Star – gives an opportunity to replay one of the bonuses.

After a chip move you get 3 respins. In the middle of the field appear improvised drums, where multipliers and dice for chip moves can fall.

The chip can also stop on a square with the Wheel of Fortune, where additional prizes can be awarded.

Space Invaders (Inspired Gaming)

Space Invaders is a slot with aliens from Inspired Gaming, inspired by the retro game of the same name.

The playing field here is 5×3, paylines 20. Volatility is medium-high, RTP 95%. The maximum multiplier is x1250.

In the main game randomly can appear:

• laser gun – it shoots at symbols and turns them into wilds;
• UFO saucer – if you can shoot it down, you will get respins, wilds or multipliers up to x5.

There are two bonuses in the slot: freespins with sticky and expanding wilds and a mini-game where you have to shoot at aliens and collect winnings.

Aliens (AGT Software)

Aliens is a fun slot with aliens from the provider AGT Software, released in 2023.

The playing field is 3×3, 5 paylines. RTP 96.93%, volatility is medium-low.

Aliens has a risk game where you have to guess either the color or suit of the card. If you guess the color of the card, your winnings increase by x2, if the suit – by x4.

In the risk game you can play poker, collect a combination and win 1 of 4 progressive jackpots. And if you collect a royal flush – take all jackpots!

Aliens & Pyramids (5MEN Gaming)

Aliens & Pyramids is a slot with aliens from the provider 5MEN Gaming, which combined two popular themes: aliens and Ancient Egypt.

The playing field is 5 reels and 10 paylines. Volatility is high, RTP 94.63%.  The maximum winnings you can get in the slot is x861 to the bet.

The slot has freespins that are activated by 3+ scatters. If an alien falls during the free spins, it will add +1 spin and replace all cheap symbols with expensive ones.

There’s also a risk game here. You need to guess the color of the card to double the amount of any winnings.

Cosmic Cash (Wild Streak Gaming)

Cosmic Cash is a slot with aliens from providers Wild Streak Gaming and Pragmatic Play. The game was released in 2022.

The playing field is 5×4 with 40 paylines. The volatility is high, with an RTP of 95.58%. The maximum multiplier is x2650.

If 3, 4 or 5 scatters fall out on the field, the player will get 10, 20 and 50 free spins respectively.

And if 6+ coin symbols fall out, the bonus with 3 respins will be activated. Only coins with multipliers up to x50 or jackpot symbols fall out on the field. Each new symbol dropped resets the number of respins back to 3.

To the left of the field there are prizes that you can get if you completely fill the rows with coin symbols – these are freespins or additional multipliers. And if you accumulate jackpot symbols, you’ll pick up a Mini (20x), Minor (50x), Major (250x) or Grand (2,500x).

Invading Vegas (Play’n Go)

Invading Vegas is a slot with aliens from developer Play’n Go, released in 2023. The slot moves us to Las Vegas, which has been attacked by aliens. And if you help defeat them, you will get up to x1000 to your bet.

The playing field is 5×3 and there are 20 paylines. Volatility is average, RTP 96.2%.

If the same symbols fall on two reels, but the winning combination is not obtained, then the Lock on Re-spin feature is activated. The first two reels are locked and the third re-spins.

During the re-spin on the third reel, a stack of wilds can fall out. Then it will turn into a Walking Wild – with each spin it will move to the right until it finally leaves the playing field.

Freespins is activated if 3+ scatters fall on the reel. Here, the stack of Walking Wilds will move to the left to further increase the win potential.

Jeff & Scully (ELK Studios)

Jeff & Scully by ELK Studios is a slot with aliens released in 2023. The game is about two theoretical scientists who explore the mysteries of humanity and search for treasure for x10,000 to bet.

The playing field is 7×7. Volatility is medium-high, RTP 94%. A winning combination is formed when four identical symbols fall on the rectangles that are drawn on the reels. The bigger the rectangle, the bigger the winning amount.

After each win, the combinations disappear and the remaining symbols remain on the field for re-spins and the special symbols become sticky.

There are two bonus features here that help you win more:

• Jeff – pays a win for every symbol that is in the Jeff zone;
• Scully – swaps up to 3 pairs of symbols in the Scully zone to get additional wins.

There are also two types of freespins here: 10 spins with sticky special symbols and 10 spins where the values of the special symbols are constantly increasing.

 

New Aliens slots

We made a small selection of new games with aliens. They were released in 2024-2025 and have already managed to win the hearts of most users.

Aliens slots with Megaways feature

With the Megaways feature, the number of lines in the slot changes with each spin. In some spin it can be as high as 64 and in some it can be as low as 117,649.

Among the alien games, there are many worthwhile slots with Megaways feature.

Aliens Jackpot Slots

The table contains all the most profitable alien slots with progressive or fixed jackpot.

The maximum winnings are listed for the base game and without jackpot.

How to choose an Aliens slot?

To find an alien slot with good winning potential, you need to pay attention to:

• RTP. Indicates how much percentage of your bets the casino will take and how much will be returned to you if you play for a long time. For example, if you bet €100 on a slot with an RTP of 95%, you will get €95 back and the casino will take €5.
• Volatility. Indicates how often winnings fall out. With high volatility you will be given rare but large amounts, with low volatility – small but frequent.
• Maximum winnings. In order to understand the potential of the game, it is worth looking at the maximum winnings. We advise you to choose games with aliens with odds from x500.
• Presence of bonus features. When choosing slots with aliens, look whether the game has bonuses: freespins, respins, additional multipliers and others. With them to play will be more interesting and profitable.

How to choose a casino to play Aliens slots?

To start playing slots with aliens for real money, you need to find a reliable casino. To do this is easy – the site must meet these 5 criteria:

1. There is a license. A license is an official document that guarantees the honesty and safety of the casino. Licensed sites are constantly checked, and if they are found to have violations, they are banned from operating. The most common licenses are Curacao, Malta, UK and Gibraltar.
2. There are welcome bonuses. For new players, the casino offers several types of welcome bonuses. It can be +100-150% to the first deposit or freespins. The bigger the bonus – the better.
3. Deposit and withdrawal methods. Cards, cryptocurrency and e-wallets are standard methods for depositing. If the casino offers few options for payment methods or only P2P transfers, you should be wary.
4. There is a mobile version. If the casino has a mobile version or a separate application – this is an excellent indicator. So the site cares about its users and their convenience. If there is no such thing – you should not register.
5. Reviews of players. Real players talk about what happens inside, and most often write about bad things. See what people complain about, and how casino representatives solve their problems.

Conclusion

aliens slots are still popular, despite the fact that the first game on this theme was released in 2006. Aliens managed to win the hearts of users with generous bonuses and interesting plots.

On our site you will find a selection of the best aliens games. If you want to find the game yourself – use our mini-guide to find the most generous slot.

You should only play for money at a reliable casino. It’s not hard to choose one – just look at its license, welcome bonuses, deposit and withdrawal methods, mobile version and player reviews about this casino.

Play for free or for real money in aliens slots at the casino