Zap Attack

by Thunderkick

Start game

RTP 96.17%

Volatility MED

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# Casino Rating Sign up bonus Welcome Bonus License
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Bonus details

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  • 5 Sweeps Coins allow players to enter sweeps play where winnings can be redeemed for prizes such as gift cards.
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Games

Software

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Number of games

800+ Desktop, 800+ Mobile

Payment

Deposit methods

Master Card, Paypal, Skrill, Trustly, Visa

2
★★★★☆
- 250 Virtual Credits
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Flag Accepts US players
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Read review

Bonus details

Welcome bonus

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Games

Software

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Number of games

800+ Desktop, 800+ Mobile

Payment

Deposit methods

Master Card, Visa

Slot review

Zap Attack
RTP 96.17%
Volatility MED
This slot is available at High 5 Casino, Betrivers.net Casino

Zap Attack

Zap Attack takes us on a voyage to the fictional city of Roswealth, where a sinister alien invasion just took place. Produced by Swedish developer Thunderkick, this slot is a fun but fascinating blend of high-spirited sci-fi, outer-space and dystopian themes.

In this Zap Attack review, we’ll detail every aspect of the game’s splendid graphical presentation and bonus features. There’s also an option to fully immerse yourself in the extraterrestrial action via a free demo available on this page. 

Software ProviderThunderkick
Release DateSeptember 2023
RTP96.15%
VolatilityHigh
Max Win5,000x
Reels x Rows5 x 5
Minimum – Maximum Bet$0.10 – $100
Number of Paylines25
ThemesAlien, Sci-Fi
Basic Details of the Zap Attack Slot

Zap Attack Details, RTP and Volatility

This alien adventure plays out on a 5×5 slot grid with 25 paylines. Zap Attack has an RTP of 96.15%, slightly above the average value for online slots. Thunderkick also throws in a maximum possible win of 5,000x your bet. 

Players of all bankroll sizes are welcome, as the slot allows wagers ranging from just $0.10 up to $100. However, the slot is highly volatile, implying that sizable wins may be sparse. 

Theme & Graphics in Zap Attack

The Zap Attack slot theme paints a vivid picture of Roswealth, a once vibrant town that is now deserted. Clearly inspired by Roswell, New Mexico, this dystopia features cacti and reddish-brown, desert-like imagery. Behind the reels, heavy smoke rises to the sky, suggesting that an explosion just took place, perhaps courtesy of a UFO attack. 

There are no guarantees that the humans of Roswealth are safe, but their colorful personalities grace the reels as premium symbols. Alien caricatures, on the other hand, make up the special symbols. 

Despite the cartoonish feel of Zap Attack, the developer also includes realistic animations. One example is the expanding multiplier wild, which zaps up all other characters on the reel in a cinematic sequence. 

Overall, the slot’s theme is predominantly extraterrestrial, with multiple sci-fi references. The fantastic soundtrack combines slow instrumentals and creepy alien sounds. It actually sounds a lot like the beginning of a Ben 10 episode. But there’s also a “Johnny Cash meets little green men” vibe.

Zap Attack Slot Basic Grid Layout and Symbols
The Zap Attack base game showing a $5,028 balance. Two regular wilds, a scatter symbol and an alien icon are on the reels.

Zap Attack Slot Features

This section of our Zap Attack review is dedicated to unpacking the gameplay elements and features present in the slot. Read on for a detailed analysis of symbols, free spins and more. 

Regular Symbols

Like many slots, Zap Attack adopts playing cards 10 through A as its lower-paying symbols. Q, J and 10 pay the same reward of 1x for a combo of five. On the other hand, K and A offer 1.5x, 0.7x and 0.4x for five, four and three, respectively. 

The premium symbols are human characters. The blue farmer pays 2x for five, while the purple grandma returns 3x for the same number. Landing five pink waitresses and yellow sheriff symbols pays 4x and 5x. 

Finally, there is a stand-alone alien icon that returns 1x for two, 2x for three, 3.5x for four and 10x for five. 

Scatters

An old television set is the slot’s scatter. Landing three or more triggers the Bonus Game. You’ll earn seven, 11 and 15 free spins for hitting three, four or five scatters, respectively. 

Wilds

Regular wilds substitute for all base symbols except the scatter. Here, the symbol is depicted as a silver UFO with the word “WILD” drawn beneath it.  

Expanding Multiplier Wilds

A special wild is also present in the Zap Attack slot, represented by a golden UFO with the inscription “Invading Wild”. When this appears on the grid, it expands to cover the entire reel and doles out random multipliers of 2x, 3x, 4x or 5x. 

This wild also substitutes for any regular symbols and its multiplier applies to any win which includes it. Should a win feature more than one expanding multiplier wild, their values are multiplied together. The maximum cumulative multiplier possible is 125x. 

Bonus Game

In the bonus game, landing two, three, four or five scatter symbols results in three, five, seven or nine additional free spins. During this round, alien symbols randomly shoot ray guns at human icon meters to the right of the reels. 

Starting with the sheriff, then on to the waitress, grandma and the farmer, each meter is filled by a total of 10 zaps. Once a meter is full, the corresponding symbol transforms into an alien for the rest of the bonus round. You’ll also earn an extra free spin when each meter is filled.

Zap Attack Slot Expanding Multiplier Wild Feature
An expanding multiplier wild with a 3x multiplier is active. Two aliens with zap guns are visible. 12 free spins are left.

How to Play Zap Attack Online

Hit the spin button to the bottom-right to start the action. Wins in the Zap Attack slot are counted from left to right. Match at least three of any symbol on a payline to earn a prize, with the exception of the alien. You only need two of him for a 1x return.

To improve your chances of landing big wins, activate the Buy Feature for a ticket directly into the Bonus Game. Using this feature allows you to purchase three, four or five scatters for 60x, 125x or 250x your bet, respectively. 

Try the Zap Attack Demo for Free before playing for real money

As we round off this Zap Attack review, we recommend testing out all the features you’ve learnt before playing for real money. Taking advantage of free slots allows you to learn the rules without risk, as well as having fun. The best way to do this is to play the free Zap Attack demo game on this page. 

The Zap Attack Review – Our Final Verdict

When it comes to alien-themed slots, many developers simply slap cartoonish UFO graphics onto some basic gameplay mechanics. There’s certainly nothing revolutionary about the bonus features found in the Thunderkick’s Zap Attack slot. But the developer does at least tell us a complete story around this sci-fi theme. 

In addition, the introduction of aesthetically pleasing animations and a thoroughly enjoyable soundtrack makes for a thrilling experience. However, on the rewards side of things, Thunderkick fails to impress. 

The game’s RTP is fairly average, coming in at 96.15%. While the maximum win of 5,000x is even lower than some of its older titles. Pink Elephants, for instance, which dates back to 2017, has a top payout of 8,200x. Overall though, despite the somewhat disappointing potential returns, Zap Attack is a fun slot to play.

Similar Slot Games

Here are some other games like Zap Attack, which can be found at our recommended online casinos.

  • Pink Elephants: One of the first slots to use a feature where regular symbols transform to the highest paying icon. Pink Elephants has a 96.10% RTP and a max win of 8,200x. 
  • Reactoonz: Arguably the poster child for alien-themed slots, this Play’n GO release is played on a 7×7 grid. It has an RTP of 96.51% and pays out a maximum of 4,750x. 

Zap Attack - FAQ

Does Zap Attack have free spins?

Yes. Simply land three or more scatters and receive up to 15 free spins. 

Where can I play Zap Attack for real money?

Every online casino featured in this Zap Attack review allows you to play the slot for real money. These sites also feature other alien-themed slots in their catalog.

Can I play Zap Attack for free?

Definitely. The Zap Attack free demo game is your best shot at enjoying all the action without financial commitment. Find the demo on this page.

What is the RTP of the Zap Attack slot machine?

The Zap Attack RTP is pegged at 96.15%, a modest improvement on the industry average. 

Dominic Field
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