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Aliens Ozone Slot Machines

Created by 777igt, Aliens Ozone is a 5 reel, 25 pay line slot machine that’s
found in online casinos.

Beliefs of extraterrestrial life have existed in some form or another for
centuries. And 20th Century Fox capitalized on these beliefs by releasing Alien
in 1979, followed by Predator in 1987.

Both films came together in 2004 when 20th Century Fox released Alien vs.
Predator, where these two powerful species battled near Antarctica. A sequel to
this thrilling matchup called Aliens vs. Predator Requiem was released in 2007.

Aliens Ozone slot includes a mashup of licensed characters from 20th Century
Fox’s successful movie series.

We’re not sure where the Ozone part of the title comes in. Perhaps 777igt is
referring to a battle taking place between these outer space creatures around
the ozone layer.

Let’s continue discussing Aliens Ozone by looking at its atmosphere, music,
animations, pay table, graphics, bonuses, betting options, and rules. We’ll also
discuss how this game compares to NetEnt’s Aliens online slot.

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Aliens Ozone Slot Machines Overview

Atmosphere / Background

The background features various dark colors that perfectly reflect what’s
seen in the Alien and Predator movies.

You’ll see a giant object in the background that looks like an alien
spacecraft that one of the races used to ride to Earth.

You’ll also see strange swords that are used to divide the 5 reels. This
makes sense considering that one of the Predator’s weapons of choice is a large

Music and Sound Effects

Aliens Ozone features a dramatic tune that starts out slow, then moves into a
powerful orchestra sound. Just like the background, the music does an excellent
job of reflecting the dramatic and serious tone of the films.

Sound effects include: a movie projector sound when the reels spin, coins
piling up after wins, and a dreamy sound following wins.

We’re disappointed in the sound effects because they’re the generic variety
that 777igt uses in other slot machines. But the music is so loud and powerful
that it drowns out the lame sound effects anyways.


We were expecting to see some cool animations involving the different alien
species. Instead, all you get is stock animations found in other 777igt games.

These include: a Big Win celebration with balloons, Big Win celebration with
coin coins spraying everywhere, gold coins bouncing off the reels and into your
account, symbols from winning combinations spinning around, and winning symbols
moving backwards and forwards.

Considering that the most terrifying elements of the Predator and Alien
franchises is the chilling and grotesque mannerisms of the creatures, it’s a
shame that 777igt didn’t include these in the animations.

Aliens Ozone Pay Table and Graphics

Here’s a look at the symbols and payouts available in Aliens Ozone:

Predator w / o Helmet Mega Jackpotz

One of the most terrifying moments of
the original Predator movie is when the Predator reveals its hideous face to
Arnold Schwarzenegger’s character. You can see the same in this symbol, which
delivers the Mega Jackpot when appearing 5 times in a pay line.

Predator w / Helmet Minor Jackpot

The Predator normally wears a helmet,
which you’ll see in the Minor Jackpot symbol. You need to get this icon 5 times
in a line to win the jackpot.

Alien w / Helmet Mini Jackpot

The alien in a helmet must also appear 5
times in a pay line to deliver the Mini Jackpot.

Human like Alien Wild

Looking like a human, aside from its lack of a mouth
and grey appearance, this symbol substitutes for everything except the jackpot,
bonus, and free spins icons to form wins. The wild symbol also offers 150 coins
when appearing 5 times in a pay line.

Centipede Alien

This creature pays 200 coins for 5 symbols, 40 for 4, and
12 for 3.

Green eyed Alien

Featuring a green tint in its eyes, this alien pays 150
coins for 5 symbols, 40 for 4, and 12 for 3.

Ant like Alien

This alien pays 120 coins for 5 symbols, 30 for 4, and 12
for 3.


The A pays 100 coins for 5 symbols, 30 for 4, and 10 for 3.


The K offers 80 coins for 5 symbols, 25 for 4, and 10 for 3.


This letter pays 60 coins for 5 symbols, 25 for 4, and 10 for 3.

J, 10

These two symbols offer 50 coins for 5 symbols, 20 for 4, and 10 for

Monster like Alien Scatter Payouts

This alien looks similar to a horror
film monster and offers a scatter payout that’s multiplied by your triggering
bet. The scatter payouts are worth 100x for 5 symbols, 30x for 4, and 10x for 3.

Alien Free Spins

This is the Xenomorph XX121 species that’s typically
associated with the Alien franchise. It triggers free spins when appearing 3 or
more times anywhere on the reels.

Hunchback Alien

This symbol looks similar to the Xenomorph XX121 species,
only with a hunch in its back. It triggers the second screen bonus when
appearing 3 or more times on the reels.

Symbol Graphics

The best thing about this slot beyond the atmosphere is the number of eerie
alien species that you see across the reels.

What’s nice is that all of the aliens appear as real life symbols, which
really helps sell the movie aspect.

Whether you’ve paid attention to the Alien and Predator movies or not, you
should recognize the Predator and Xenomorph species.

We researched the franchise for about 20 minutes and couldn’t turn up
anything on the other alien species. But given that there are almost 10 total
films between the two franchises, these characters likely make appearances in
the less heralded movies.

Aliens Ozone Slot Bonus Features

Another good aspect to Aliens Ozone slot is that it has three jackpots, a
second screen bonus, and free spins. Here’s an in depth look at each special

Free Spins

Triggered by 3 or more aliens, you get 15 free spins for 5 symbols, 10 for 4,
and 5 for 3.

As with other 777igt slot machines, these free spins don’t come with any
extra frills like multipliers, special symbols, or new music.

Bonus Round

When you trigger the bonus by getting 3 or more hunch back aliens, you’re
taken to a second screen where you’re prompted to choose cards for bonus prizes.

The cards are actually heavy metal doors that you slash through with a
Predator claw weapon, which creates a fun effect.

You get to choose two of the five cards, at which point the bonus ends. We
triggered the bonus three times during our session and revealed two Alien cards
each time for bonuses of $4.58, $5.75, and $6.44.

3 Jackpots

This game is linked to 777igt’s three progressive prizes in the Mega, Minor,
and Mini Jackpots.

At the time of this review, the Mega Jackpot is worth $1,123,162, the Minor
Jackpot is worth $566,581, and the Mini Jackpot is worth $374,387.

We’ve always been impressed with how 777igt can maintain three different
jackpots worth 6 figures or more. Even the Mini Jackpot is quite a windfall at
nearly $375k.

Betting Options

You can change pay lines from 5 25 and coin size from $0.01 to $2.00 with the
plus / minus buttons under the reels. Note that pay lines can only be changed in
increments of 5.

Our main problem with the betting options is that the minus buttons for pay
lines and coin size aren’t responsive sometimes. While you’ll only have
temporary struggles with this, it’s still an inconvenience that you shouldn’t
have to worry about it in the first place.

Other Options

You can auto spin the reels with your selected betting options for 10, 20,
30, 40, 50, or infinity spins. While the latter option is handy, be sure to
remember that you’ve turned it on for bankroll management’s sake.

The last option includes adjusting the volume with the speaker button in the
upper right hand corner. The speaker button presents a sliding bar when clicked,
giving you greater control over the volume.

Win Frequency

We played Aliens Ozone for around 250 spins and experienced above average win
frequency for a 25 pay line slot machine.

We used all 25 lines and got lots of $0.10, $0.12, and $0.25 wins, meaning we
either lost money or broke even.

But what really helped us is the frequency in which free spins, scatter
payouts, and bonus rounds are awarded. Maybe we got lucky, but we triggered free
spins at least five times and the second screen bonus three times.

Playing one cent per line, we ended the session up by $2.45.

Game Rules

If you’ve played other 5 reel online slots, you’ll have no trouble with
Aliens Ozone. But we’ll still go over the main rules below:

  • Regular payouts must form in active payouts from left to right, starting
    with the leftmost reel.
  • Bonus and free spin symbols can trigger rewards from anywhere on the
  • Jackpot payouts are only awarded if you get five of a respective jackpot
    symbol in an active pay line.
  • Wins are multiplied by your triggering line stake. Here’s an example:
    your $1 line bet x 100 coin win = $100 payout.

Comparison to NetEnt’s Aliens Slot Machine

In 2014, NetEnt released a licensed online slot machine based on the Alien
franchise. Below you can see how this 5 reel, 15 payline slot compares to Aliens
Ozone in several categories.

Atmosphere & Symbols

This game opens with astronauts landing on a mysterious planetoid just like
in the movie Alien. You also catch a glimpse of one of the aliens right before
the game cuts to the reels.

The background features a cold, windy landscape along with an open corridor
in the distance.

The reels and betting options are marked with electronic buttons and lights,
designed to create the feeling that you’re using space age technology.

Symbols include different species of the aliens, including the dreaded
Chestburster and Facehugger creatures seen in the movie.

While we like Aliens Ozone’s atmosphere, NetEnt manages to top it with a mix
of spaceship like controls and an eerie planetoid atmosphere.

Graphics & Music

Aliens also features a dramatic music score that, although less powerful,
creates the feeling that danger could be lurking around any corner.

The graphics offer realistic 3D depictions of the creatures and are on par
with what Aliens Ozone offers. But where Aliens really separates itself is
through its animations, which show the creatures making creepy faces when they
form wins.

Bonuses & Jackpots

While this game doesn’t have progressive jackpots like Aliens Ozone, it does
give you the chance to win up to 570,000 coins.

Aliens features a detailed bonus system where you progress over 3 levels in
your efforts to destroy The Hive.

Level 1 requires that you fill the Alien Activity Meter with the highest
multipliers; Level 2 gives you guaranteed wins on each spin; and Level 3 a.k.a.
The Hive awards you with 5 re spins after you destroy the queen and her hive.

Portrayal of the Movies

While Aliens Ozone does a decent job of embodying the Alien vs. Predator
film, it’s hard to beat NetEnt’s Aliens and its multiple levels. We also give
Aliens an edge in the atmosphere and animations departments.


The Aliens and Predator movies are known for creating a terrifying atmosphere
coupled with horrific monsters.

777igt’s Aliens Ozone nails most of these aspects, especially with regard to
the atmosphere department. We like how you can see a strange spaceship in the
background and how the swords separate the reels.

The music is also good in this game and makes us think of an intergalactic
battle between the predators and aliens.

Other things to like about this game include the three jackpots, free spins,
second screen bonus, and scatter payouts. While these elements are common in
other 777igt slots, it’s always appreciated when all of these features are

Downsides to Aliens Ozone include the limited animations and sound effects
during payouts. 777igt really missed out by not having the aliens make creepy
gestures like you’ll see in NetEnt’s game.

Overall, we consider Aliens Ozone a good slot that’s worth playing if you
enjoy the Aliens franchise or just horror / battle movies in general. But the
generic animations and sounds prevent this slot machine from being great.