Outerspace Invaders Slot
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Outerspace Invaders Slot


Aliens have invaded Earth in PearFiction Studios' Outerspace Invaders slot! This title has an unusual theme, as well as a cool cartoonish design that will catch the attention of many players. Read the full review of this slot released in collaboration with Microgaming and also try its demo mode to find out its exciting storyline and what features it has to offer.

Release Date 20.02.2018
Volatility Medium
RTP 96.0%
Multiplier Yes
Max. win 500x
Bonus game Yes
Free spins Yes
Scatter Symbol Yes
Wild symbol Yes
Symbol Stacked No
Jackpot Game No
Slot lines 25
Slot reels 5
Layout 5-3
Stakes range (€/£/$): 0.25 to 125
Slot Theme Space
Technology JS,HTML5

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Outerspace Invaders Free Play

Outerspace Invaders Slot preview
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Best Casinos to Play Outerspace Invaders for Real Money

Don't rush when choosing a casino to play, always check it for a license! If there is an icon with a license on its website, don’t blindly trust it. Check whether there is more detailed information about who and when issued the license.

You can save your time, though, by checking our list of the best casinos we’ve preliminary inspected. Also, take a separate look at the bonuses, as this may be an important criterion for choosing the right place to play the slot for real money.

Casumo Welcome Offer: up to €500 + 120 FS



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18+, T&C apply, BeGambleAware.org

Bethard Welcome Package: up to €100



Play here Read Review

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How to Play

The playing field, which has 5 reels in 3 rows comes with 25 lines, and only on them are winning combinations of symbols created. A combo is created when 3, 4 and 5 premium or low-paying symbols land on one of such lines. The bets to be placed range from €0.25 to €125 per spin. You can spin the reels and trigger the features of the slot anywhere by launching it on your mobile device.

To start this alien journey all you need is:

  • Open Outerspace Invaders at your chosen casino
  • Check out the value of symbols
  • Read the rules of bonus features
  • Choose a bet from the proposed range
  • Hit the button to start spinning!

RTP and Volatility

The slot machine offers its players medium volatility and 96.01% RTP.
Dealing with aliens in this slot won't be as dangerous as you'd expect, as it comes with medium volatility. This means that prize combinations and bonus features are triggered here more often than in high-risk games but massive prizes are still possible in the long run. The theoretical return stands firmly at 96.01% which is the gambling industry average.



Outerspace Invaders

Aliens invade Earth and kidnap Rachel Page’s fiancé. He was kidnapped by an alien leader named Zerk. Armed, she sets out to get revenge on this multi-tentacled dude and teach him a lesson he won't forget!

Filled with memorable characters, a cinematic intro, and 50s comic book style, this slot looks amazing! This is one of the coolest looking space-themed slots out there.

A transparent playing field is set against the backdrop of a suburb destroyed after the invasion of aliens. You can see an alien ship landing in the background, while screams and strange noises can be heard over an eerie space soundtrack.

There are 13 symbols in the paytable. The high-paying symbols are Rachel, Robert, Zerk, General and Soldier, while the low-paying ones are 10-A playing card suits. Bonus, Wild and Free Spins symbols look like the corresponding inscriptions.

Outerspace invaders slot - paytable

Mobile Compatibility

You can help Rachel Page save her fiancé wherever you are! PearFiction Studios created Outerspace Invaders using JS and HTML5 technologies making it compatible with mobile devices. The slot does not have a separate mobile app, so all you need to do is find it on the casino website from your smartphone or tablet and hit the spin button.

About PearFiction Studios

This slot machine was created by PearFiction Studios, a casino games provider that started its journey in the gambling industry in 2014. Initially, the company was engaged in casual mobile games, and in 2015 it began to create slots for social casinos, the line of which was called “PowerUp Slots”. In 2016, the company finally started making real money games, and after that, it made lucrative deals with casino platforms where it started supplying its products.

Bonus Rounds & Free Spins


Expanding Wilds

The Wild symbol that looks like the inscription Wild can land on reels 2, 3 and 4 only and will expand vertically to cover the entire reel it landed on. It replaces all regular characters.

Free Spins

The Free Spins feature is not just a lucrative bonus here but also the central element of this story slot. During the free spins, Rachel tries to save her fiancé by attacking Zerk with a baseball bat, a shotgun, and a hand grenade. This is a cool action that will not leave any player indifferent!

The feature is triggered as soon as you land 3, 4 or 5 Scatters. You will get 8, 12 or 20 free spins for 3, 4 or 5 trigger symbols, respectively. During the feature, there is a new paytable and special Attack symbols. You need to land them for Rachel to hit the alien leader. By destroying his life points you will defeat him, save Robert and get a multiplier up to 10x for your last win!
Outerspace invaders slot - Free Spins

Radar Shootout Bonus Game

Radar Shootout is a Bonus Game where you have to shoot down spaceships on an old fashioned radar screen to earn multipliers. The multipliers increase depending on the number of Bonus Symbols that triggered the Bonus Game, up to a top prize of 250 times your bet.

Outerspace Invaders Demo Play

If you are not sure that you are ready to play Outerspace Invaders for real money, use the demo mode that is available to all visitors on this page. By running the slot for free, you will be able to get a certain amount of fun coins that you can use for betting in the same way as if you were betting real money in an online casino.

Max Win

Win up to 500x the bet.
By helping Rachel Page defeat alien creatures to save her fiancé as a reward, you can get up to 500x the bet! This max win potential won't sound high enough for high-rollers, but it's good enough for most casual players. The easiest way for you to reach the maximum prize is by activating the free spins feature.
overall rating:
PearFiction Studios creates unique games and this title is proof of that. The combination of unique cartoon design, captivating storyline and creative bonus features makes it unforgettable. While the 500x max win potential won't be high enough for high rollers, it's perfect for most casual players who want a hefty element of entertainment in their gameplay. This slot is the best choice if you're looking for entertainment above all else.
Fascinating storyline
Expanding Wilds
Free Spins with Rachel vs alien leader battle
Radar Shootout Bonus Game with 250x top prize
Max win potential won't be high enough for high rollers


Can I buy a bonus round in Outerspace Invaders?
There is no Bonus Buy option in the game, so you can only trigger the bonus round naturally.
Can I spin the Outerspace Invaders reels for free?

Yes, you can use the demo mode that is available to all visitors on this page! By running the slot in this mode, you will be able to get a certain amount of fun coins that you can use for betting in the same way as if you were betting real money in an online casino.

What is the Return to Player (RTP) in Outerspace Invaders?
The theoretical return stands firmly at 96.01% which is the gambling industry average.

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