Octo Attack Slot Review

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Did you know that the heaviest octopus on record weighed 200 pounds and measured nearly 20 feet across? Although most octopus bites aren’t fatal, it doesn’t mean they can’t harm humans, especially if you encounter one as humongous as the one on record.

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Pros & Cons
Cluster Pays system with cascades
Some buy options are pricey
Exciting features & multiple buy options
The Tenta-Grab mechanic isn’t unique
Ideal bets for all player budgets
A lucrative max win of 10,000x bet
Favorable volatility & above-par RTP

The Octo Attack Slot Game

Hacksaw Gaming is back to using its drab design after taking players through a pastel experience in Donny Dough. And as you’re diving deeper into this guide, I’d like you to complement it with the demo play linked here for free!

Otto the Octopus floats on his eights while staring directly into your soul with his mean-looking eyes. I’m sure, if it were possible, he’d jump right out of your device’s screen and devour your human self without blinking twice.

The buildings behind the angry chap and the 6 by 5 reels indicate that the Octo Attack could be about a possible city invasion. As is the norm, the design includes a sprinkle of color on the symbols, the game’s logo, and the main character. An electrifying melody and other absorbing effects enhance them.

Symbols and Payouts

This review’s next destination lands us in the paytable, where ten basic-paying symbols await. Well, there is also a selection of feature symbols, but I’ll get into their details further below.

The main agenda is to play the game and aim for winning clusters, considering the slot uses a Cluster Pays engine. The winning blocks land when at least 5 matching symbols connect anywhere on the grid.

As is usually the case with most cluster slots, a cascade will trigger after a winning cluster, removing all the winning symbols and potentially triggering more wins. The payouts in Octo Attack depend on the current bet value!

The low-win symbols include the monochromatic Hook, Lightning Bolt, Speech Bubble, Cube, and Broken Heart. They pay between 0.1x and 100x the stake when you hit 5 or more of the same.

The designers added color to the high-valued symbols. They include:

  • Fish and Beverage - 0.3x to 150x the bet.
  • Mushroom and Ice Cream - 0.5x to 250x the stake.
  • Shark - 1x to 500x the bet.

Octo Attack slot paytable

I know you’re curious about the features. But before divulging them, take note of the “W” wild, which substitutes for all the paytable symbols to help complete winning clusters. Additionally, the wilds can have 1x to 10x adding multipliers!

Octo Attack Slot Bonus Features

I acknowledge that an octopus invasion sounds unsettling. However, it may be worth experiencing if it has plentiful features, as seen in this slot.

Cascades & Ink Stains

As mentioned, the winning symbols will be removed from the Octo Attack reels, and new symbols will replace them. Then, Ink Stains will mark the winning positions and disappear after they have participated in the Tenta-Grab mechanic and are reset between spins.

Eye of Otto and the Tenta-Grab Mechanic

If the Eye of Otto symbol lands on an ink-stained grid, it activates the Tenta-Grab mechanic. When active, the Tenta-Grab mechanic will randomly pick a symbol from the reels and replace all the ink-stained positions and itself with the grabbed symbol.   

The grabbed symbols can be the regulars, FS scatters, wilds, or wild multipliers. If the mechanic grabs a wild or wild multiplier, the replacing symbols will be either wild multipliers or wilds with higher or lower values than the selected symbol.

Octo Attack slot eye of otto

Octo Attack slot feature

Eighth Arm is the Charm

This free spins feature starts by landing 3+ normal FS scatters simultaneously during the base game. The number of awarded free spins will equal the triggering FS scatters. The Ink Stains persist between the spins during this bonus until they are picked by the Tenta-Grab mechanic.

Land additional normal FS scatters simultaneously during this feature retriggers more free spins. For every retrigger, each normal FS scatter awards a +1 extra spin.

Give Me Eight!

Trigger this feature when you land 3+ epic FS scatters in the Octo Attack base game. Again, the number of free spins equals the number of triggering scatters, and the Ink Stains persist until the Tenta-Grab mechanic grabs them.

For the record, the Tenta-Grab can only pick the wilds and wild multipliers. The retriggers are effected the same way as in Eighth Arm is the Charm feature.

Octo Attack slot free spins

Bonus Buy

You can enter the following features directly from the base game by buying them as follows:

  • BonusHunt FeatureSpins - for 3x the bet. Every spin is five times more likely to activate a bonus game with a 96.31% RTP.
  • Tentacular FeatureSpins - for 50x the bet, every game round guarantees at least one win and an Eye of Otto symbol. It has a 97.27% RTP.
  • Eighth Arm is the Charm - for 100x the stake and 96.27% RTP.
  • Give Me Eight! - for 300x the bet and 96.28% RTP.

It’s also worth noting that all the buy options use a highly volatile gaming model.

Octo Attack bonus buy

How to Win at Octo Attack Slot

Although the developer describes this game as “Trash, dumpsters, and waste”, it’s the opposite of its smooth yet effortless gameplay.

The attack unfolds on 6 reels and 5 rows, using Cluster Pays to generate wins. The aim is to ensure at least five identical symbols land in touching positions anywhere on the playing grid. Anyone who’s played online slots for some time should know the cluster payout rules.

Octo Attack adopts an all-inclusive betting range from €0.10 to €100 per game round!

So, find a bet that suits your gambling budget, and press the Action button to spin a single round. Alternatively, you can enable the Autoplay functionality and avoid igniting the reels manually after every round.

Meanwhile, the Menu button reveals the following:

  • Turbo/Super Turbo - they toggle between different spin speeds.
  • Sounds - turn on or off the slot’s sounds, including the music.
  • Music - activates or deactivates the soundtrack, excluding the sounds.
  • Info - exposes the game rules and paytable.

Octo Attack how to win

Octo Attack Slot RTP & Volatility

Keep in mind that this slot has variable RTPs ranging from 88.28% to 96.27%. However, it has a medium variance, and the maximum win is 10,000 times the bet!

The Final Thoughts

The unpredictable Hacksaw Gaming has launched another game based on an unconventional subject. Clearly, the gaming studio's team of designers must be filled with creative ideas, like the thought of an octopus invasion birthed through this online slot.

The slot’s visuals and audio are appealing. As is the norm with this developer, Octo Attack employs the typical greyish design with a bit of color added to make it more interesting.

As if that’s not enough, the gameplay allows you to explore a mixture of exciting mechanics and features. But without lying to each other, the headline Tenta-Grab mechanic, albeit fun, is just about replacing symbols with a fancy name. But don’t worry; the 10,000x bet max win is an excellent complimentary package.      

Luckily, the slot isn’t highly volatile, meaning it pays averagely well and has a wide range of bets that allow for all kinds of players!

Slot type
Video Slots
Cluster Pays
Slot bonus features
Cascading
Wild Multipliers
Free Spins
Bonus Buy
Slot details
Theme:
Animals
Provider: 
Hacksaw Gaming
RTP: 
96.27%
Volatility: 
Medium
Paylines: 
Cluster pays
Release date:
2024-09-05
Nerijus Grenda
Nerijus Grenda
Last Update: 23 Aug 2024
Nerijus Grenda is a prolific contributor to the GoodLuckMate site. With a deep understanding of the online casino industry, gained from his own experience as an avid player, he offers valuable insights on what sets the best casinos apart from the rest. As a writer, Nerijus shares his expertise through expert analysis and thoughtful commentary on various topics related to online gambling, including casino reviews, game guides and industry trends.
Emma Sjökvist This article has been Quality Assured by Emma Sjökvist
Q: 

Who developed the Octo Attack slot?

A: Octo Attack was developed by Hacksaw Gaming.
Q: 

What is the maximum win in Octo Attack?

A: You can win up to 10,000x your bet in this game.
Q: 

What is the RTP of Octo Attack?

A: The RTP varies between 88.28% and 96.27%.
Q: 

How volatile is Octo Attack?

A: The slot has medium volatility.
Q: 

How many reels and rows does Octo Attack have?

A: The game has 6 reels and 5 rows.
Q: 

What is the betting range for Octo Attack?

A: Bets range from €0.10 to €100 per spin.
Q: 

Can I buy bonus features in Octo Attack?

A: Yes, there are multiple bonus buy options with different RTPs and costs.
Q: 

Is Octo Attack available to play on mobile devices?

A: Yes, the slot is compatible with both mobile and desktop devices.

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