Game Information
Review of the Octo Attack slot from Hacksaw Gaming
Introduction
Octo Attack is a fresh and daring slot from Hacksaw Gaming studio, known for its innovative mechanics and non-standard approach to the gaming process. The slot immerses players in an underwater world with a punk aesthetic, where the main character — an octopus named Otto — creates chaos on the barabans.
Key Features
- Cluster Pays mechanic (wins for clusters of 5+ symbols).
- Cascading wins (Cascading Reels).
- Unique bonus function Tenta-Grab, activated by the Eye of Otto symbol.
- Wild symbols with multipliers up to x10.
- Maximum win — 10,000x bet.
Design and atmosphere
Octo Attack features a grim underwater theme with bright punk elements: the graphics are rendered in contrasting tones, using neon accents and a multi-layered style. The sound accompaniment is dynamic, with electronic rhythms and fun sounds, produced by Otto. The overall impression is energetic, daring, and memorable.
Characteristics and symbols
Parameter table
| Parameter | Meaning |
|---|---|
| Developer | Hacksaw Gaming |
| Release date | September 5, 2024. |
| Barabany / Linii | 6x5, Cluster Pays |
| Rate range | €0.10 – €100 |
| Max. Wins | 10,000x |
| RTP | 96.27% (there are also versions with 94.26%, 92.30%, 88.28%) |
| Volatility | Average (3/5) |
Payouts for combinations (cluster of 26 identical symbols)
- High-paying symbols (fish-skeleton, seaweed, acula, etc.): up to 100x the bet.
- Low-paying symbols (card suits, mollusks, cubes, etc.): up to 10x–20x the bet.
- Wild symbol: substitutes for all regular symbols and can carry multipliers from x1 to x10.
Bonus functions and unique mechanics
- Cluster Pays: wins are formed when connecting 5 or more identical symbols horizontally or vertically.
- Cascading Reels: after each win, symbols disappear, and new ones fall into their place, creating chains of wins.
- Ink Stains: when winning symbols remain as "black stains", which are used in the bonus function.
- Eye of Otto: activates Tenta-Grab — Otto selects a random symbol and transforms all black stains into this symbol, creating new wins.
- Free Spins: three or more Scatter symbols give 10 free spins. During the free spins, black stains are kept between spins until they are used in Tenta-Grab.
- Buy Bonus: available options for purchasing bonuses, including Bonushunt Featurespins and Tentacular Featurespins.
Expert opinions and recommendations
Octo Attack — an excellent choice for players who value balance between risk and win frequency. Thanks to the average volatility and high RTP (96.27%), the slot is suitable for both beginners and experienced gamblers.
Recommendations
- Use the automatic spin mode with a limit to control the budget.
- If your bankroll allows, consider purchasing bonuses — this significantly increases the chances of a big win.
- Pay attention to Wilds with multipliers — they can significantly enhance payouts.
Mathematical model
- The slot has an RTP of 96.27% and average volatility, which means regular, but not overly frequent wins.
- The hit frequency is 33.96%.
Compared to analogs
- Chaos Crew (Hacksaw Gaming) — higher volatility, more bonus mechanics.
- Deadwood (Nolimit City) — similar theme and volatility, but with a different approach to bonuses.
- Jammin’ Jars (Push Gaming) — also Cluster Pays, but without multipliers on Wilds.
Mobile version

Octo Attack is fully adapted for mobile devices. The interface is intuitively understandable, and performance on smartphones and tablets does not lag behind the desktop version. The game works on all modern OS without lags.
Pros and cons
Pros
- High RTP (96.27%).
- Max. win up to 10,000x.
- Unique Tenta-Grab mechanics.
- Wild with multipliers up to x10.
- Full mobile adaptation.
Cons
- No classic payout lines (not all aligns to Cluster Pays).
- Some operators may offer versions with lower RTP.
Locking
Octo Attack — this is a bright, technically advanced slot with original mechanics and high winning potential. It is perfect for those looking for something fresh in the Cluster Pays genre.
Overall rating: 9/10
Frequently Asked Questions (FAQ)
When was Octo Attack released?
- The slot was released on September 5, 2024.
What is the maximum win in Octo Attack?
- Up to 10,000x from the bet.
Are there any free spins?
- Yes, 10 free spins are activated by three Scatter symbols.
Does the game support mobile devices?
- Yes, the slot is fully adapted for iOS and Android.
What is the RTP of Octo Attack?
- The base version is 96.27%, but other values may vary depending on the game.
