Interstellar Attack: Spincrease ™ – Review, Bonuses, Free Spins, Free Play in Demo Mode

Spincrease is an online slot by High 5 that is set in outer space. It has a 5×6 reel configuration with an RTP of at least 90% that can go up to 97.2% after the symbols are added or upgraded through the Spin-crease feature. We classify the game as medium volatility.

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Introduction

As a space commander, you oversee a group of space ships mandated with averting an alien invasion on Interstellar Attack: Spincrease, an online slot game developed by High 5.

Looking at this slot most of us will be reminded of the classic Space Invaders video game that was produced by Tomohiro Nishikado in 1978. This is an example of the shooting type and a fixed shooter game. The only difference with this one is that if one is lucky enough, then on the sixth row of the 5×6 reel set there will be spaceships flying along and sticking to a position.

The game is full of upgrade features activated by the green and red crystals that appear after an asteroid has exploded. The first ones improve space fleet while the later ones add power-ups with new signs appearing on the wheels. The players must also be on the lookout for a scout ship from another planet which is above the reels. When this happens and you shoot it down, you will activate a bonus feature that can destroy rows.

Reel six harbors a scout ship that triggers 10 free games when shot at, and during these free games no alien ship will appear above the reels. Therefore, it does not give room for re-triggering of the free spins.

These games are played on different reels for free, with no power-up values; they are randomly awarded every other game. In this phase of the game, a random multiplier ranging from x2 to x10 is also given along with other random feature symbols, one of which adds a free game.

Meanwhile, players who have completed the first bonus level will proceed to another set of levels until they reach level six. Every stage has a multiplier starting from x10, x20, x50, x250, x2500 and going up to a maximum of an incredible x25000 times the total bet placed.

There are lots more examples of their work in High 5 slot demos to play for free at Slotzix, which fans of this designer’s work will find.

Interstellar Attack: Spincrease ™ - Free Play in Demo Mode

Dive into the world of Interstellar Attack: Spincrease ™ and enjoy our exclusive Free Play in Demo mode. You can try this exciting slot without spending money to see how it works, explore its paylines, features and bonus rounds at no risk. Find your strategy in Demo mode, comprehend game mechanics and define a winning betting system for your future play. Unlock the excitement without spending a dime as you engage in Free Play, immersing yourself in the entertaining universe of Interstellar Attack: Spincrease ™.Discover the game's unique mechanics, visualize potential winning combinations, and master your gameplay strategy—all in a no-risk environment. Try your luck in Demo mode today and prepare for an exhilarating gaming experience when you're ready to make a splash with real wagers.

Theme, Graphics and Soundtrack 

As we fly along, we meet some unfriendly aliens who appear frightening without a doubt. The game is reminiscent of the Space Invaders, which was a classic retro arcade game from the ‘70s that could be played as terrestrial slot machines. In this case, the space fleet consists of powerful upgraded crafts as the game advances.

The graphics are super cool and absolutely 21st century: the aliens drop on the reels while space ships fly across the bottom. In the background, galaxies, planets and stars glow in competition to set the scene for intergalactic battle.

This slot is epic, and it has the best sound track ever. The music alone can make you feel like you are playing a traditional space invaders game.

Why not try Reactoonz slot in demo mode here at Slotzix if spaciness is interesting to you? This game has a solid RTP of 96.51% and is high variance hence the cartoon style design as its name suggests.

Interstellar Attack: Spincrease
Interstellar Attack: Spincrease

Interstellar Attack: Spincrease RTP and Variance 

Attack from outer space: Spincrease has an RTP range of 90% to 97.20% in different game modes. Some sites have interpreted this as meaning the average is 94%, but players should be careful with such math. We consider the game to be of medium volatility, but due to its high complexity, players may find it useful to use a bet spread approach while getting the feel of the game.

How to Play Interstellar Attack: Spincrease

This is a game with intricate variations, especially in relation to where symbols fall and how they can contribute to your bankroll. In this article we shall attempt to give you the pointers for such an epic space journey.

  1. Once the main game loads, click on the “+” button in the top right corner.
  2. A menu opens, and you can mute the soundtrack if you find it distracting by clicking on the speaker icon.
  3. Next, click on the information button to reveal the rules of the game.
  4. Here there are two options. Begin by clicking on the base button to reveal the rules in the initial game.
  5. Here you will find a description of the symbols and where they appear on the grid, along with their values.
  6. Scroll down to see bonus symbols and multiplier values.
  7. Now, click on the bonus game to see how this mode of the slot operates and how free games can be triggered.
  8. Return to the main screen, and in the bottom right corner, you can adjust your wager.
  9. Above this, you can engage auto spin and customise the feature.
  10. You are all set to play; just hit the spin button.

It is possible to play the slot free on this page at the Slotzix, whereby you will get to know how the game works before going to a real casino.

At Slotzix, you can obtain additional details concerning the leading slot casinos. When you start gambling with real money, do not forget to set aside a budget for each session and leave the site as soon as it stops being fun.

Bet Sizes and Pay Table Wins 

Wagers vary between twenty and four thousand and the least you will be given for a base game with alien icons are as follows: Purple Alien – 0.5x, Green Alien – 2.5x, Blue Alien – 10x, Orange Alien – 25x.

Max-win 28,039x
Volatility Medium
Top RTP 97.20%

Interstellar Attack: Spincrease Free Spins 

If you shoot the alien spyship above reel 6, ten free games with opportunities to progress across various levels will be triggered.

Interstellar Attack: Spincrease Review 

It is a great one though very complicated, innovative approach to vintage video games. It is recommended that players go through the entire set of rules before they embark on their mission.

High 5 owns the trademark and license of Interstellar Attack: Spincrease. High 5 does not endorse this site.

FAQ

What is the Return to Player of Interstellar Attack: Spincrease?

This is an official RTP range that varies between 90.00% to 97.20% depending on the game mode players are playing and the kind of features they use

What is the variance of this slot?

We rate this game as medium variance.

Is there a risk game in the slot Interstellar Attack: Spincrease?

No, there is no chance to double your winnings.


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