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Best Iron Dog Casinos

expert 8.2
Anastasia Deordica
Expert opinion

Wolf Strike Hold & Win Extra from Iron Dog Studio is a video slot filled with the atmosphere of northern wildlife, night scenery and predatory excitement. The playing field takes the player to the forest wilderness, where the howling wolf becomes a symbol of luck, and gold coins and the full moon open the way to generous prizes. Maximum winnings in the slot reach x5,000 to the bet, and the Hold & Win bonus feature increases the tension with each respin.

Type of game Video slots
Manufacturer Iron Dog logo
Theme Animals, Classic Slots, Adventure, Luck, Action
Min bet 0.10 €
Max bet 20 €
RTP 93.4%
Max multiplication 5000 : 1
Is free test available Yes
Mobile version Yes
Issue date June 11, 2025
Progressive jackpot Yes
Reels number 5
Lines number 10
Wilds Yes
Scatter No
Gamble Feature No
Volatility High
3D slot Yes
Respins Yes
Freespins No
Progressive multipliers Yes
Bet line 0.1 - 20
Bonus games Bonus Game, Respin, Coin Feature, Hold and Win Spins

Where to Play Wolf Strike Hold and Win Extra slot?

For safe and fair gaming choose only trusted casinos with official registration and license. Make sure they are available:

  • sufficient iGaming experience;

  • reliable withdrawal methods;

  • a wide range of slot machines;

  • stable tech support;

  • positive user reviews.

The full list of reliable casinos is available on specialized sites.

Play Free Wolf Strike Hold and Win Extra Slot Demo

Before you start playing for money, we advise you to play the demo version for free. It's a great way to learn the mechanics, understand how the Hold & Win function works, evaluate the chances of winning.

Demo mode is available without registration and risk.

Verified Online casino with Wolf Strike Hold and Win Extra slot

To play for money, choose proven casinos that offer certified games. Such sites provide:

  • fast payouts;

  • convenient deposit methods;

  • generous bonuses for new and regular customers.

Reliable casinos can be found in the current ranking on Casinoz.

How to Play Wolf Strike Hold and Win Extra slot online

The Wolf Strike Hold & Win Extra video slot features 5 reels in 3 rows and 10 fixed paylines. In order for a win to be counted, it is necessary to match several identical symbols on the lines defined by the rules, and it is important that they are placed in sequence with the start from the leftmost reel. If several winning combinations are formed, their values are summarized. In the base game, all appearing on the field of special symbols accumulate over the playing field, causing the moon to grow until the full moon and activate the coin rain. Symbols with the same name are paid with 3 of a kind. The maximum multiplier x25 to the bet gives the fallout of 5 Wild and/or 5 Wolf symbols. The betting range is from 0.10 to 20 euros.

Wolf Strike Hold and Win Extra Symbols, Wild, Scatter

The Wild symbol is a landscape with a full moon, labeled with the appropriate inscription. Replaces any non-special symbols. Is a high-paying.

The game uses special symbols of several types. All of them are active only during the Hold and Win bonus feature. They include:

  • Special Bonus Symbol in the form of a gold coin, it indicates the amount of winnings obtained through the multiplier to the bet, which can have values x1 - x5 in increments of +0.5, x5 - x10 in +1 increments, as well as x12, x14, x16, x50, x150 and x500;

  • Special Collector Symbol, depicted as a full moon, collects all multipliers and jackpots and displays as winnings;

  • Special Mini Hold and Win Prize Symbol, a blue coin with a gold rim that promises a x50 prize to the bet;

  • Special Minor Hold and Win Prize Symbol is a green coin with a gold rim, offering a x150 prize to bet;

  • Special Major Hold and Win Prize Symbol in purple guarantees a jackpot of x500 to bet.

In addition, during Hold and Win, a Blank Symbol in the shape of a flower outline is used to fill in a non-winning cell.

  • Wild
    A high-paying replacement symbol
  • Wolf
    A high-paying symbol
  • buffalo
    Average-paying symbol
  • Reindeer
    Average-paying symbol
  • Coon
    Average-paying symbol
  • A
    A low-paid symbol
  • K
    A low-paid symbol
  • Q
    A low-paid symbol
  • J
    A low-paid symbol
  • Special Bonus Symbol
    Special bonus symbol with a specific value
  • Special Collector Symbol
    Special Collector Symbol
  • Special Mini Mini Hold and Win Prize Symbol
    Special prize symbol x50 to the bet
  • Special Minor Hold and Win Prize Symbol
    Special prize symbol x150 to the bet
  • Special Major Hold and Win Prize Symbol
    Special prize symbol x500 to the bet
  • Blank Symbol
    A no-win symbol

Wolf Strike Hold and Win Extra Bonus games

  • Hold and Win. The feature is activated when 6 or more special symbols fall out. The player gets 3 respins, and if at least 1 new special symbol appears on the field during their fulfillment, the number of spins will be restored to the original number of 3. During the bonus game, only Special Bonus, Collector and Prize Symbols fall out and the empty spaces are filled with Blank Symbols. All the symbols that have been rolled remain in place until the bonus round ends. During the game, the Collector symbol collects all the cash values. If a Special Collector Symbol with a bet multiplier is present on the field, it will be collected by any following collector symbol. Each spin gives a random chance to add multipliers to the playing field, with a new one being added to it if a multiplier is present. A multiplier can fall on more than one position per spin. If at the end of the bonus game all cells are filled with special symbols, the player will receive a Mega prize of x5,000 to the bet.

  • Coin Shower. Activated randomly by the howling of a wolf in the form of a coin rain that pours down from above onto the playing field and gives 6 symbols to trigger the Hold & Win bonus game.

Wolf Strike Hold and Win Extra slot free spins

The Wolf Strike Hold & Win Extra free spins feature is not available in the Wolf Strike Hold & Win Extra free spins slot, however, respins during the Hold and Win bonus game are performed without charge.

Jackpots

The following prizes that are actually jackpots:

  • Mini, Minor and Major, which are dropped in the bonus game;

  • Mega, which is paid out at the end of Hold and Win if the game field is completely filled with special symbols.

Wolf Strike Hold and Win Extra RTP, Volatility & Hit Frequency

  • The level of return to player averages 93.4%.
  • The volatility is high. Large payouts are usually the result of a bonus feature.
  • The frequency of winnings is average. Minor payouts are more common, with the biggest potential lurking in the bonus game.

Comparison Wolf Strike Hold and Win Extra slot with analogues
Wolf Strike Hold and Win Extra 777 Jackpot Diamond Hold and Win Diamond Bling 88 Fortunes Megaways
RTP 93.40 % 96.06 % 96.10 % 96.36 %
Volatility High Middle Middle Middle
Lines 10 10 5 117649
Drums 5 5 5 6
Issue date 11 June 2025 27 May 2024 4 June 2025 23 October 2019
Progressive jackpot
Scatters
Free Spins
Respins
Progressive multipliers
Jokers
Max payout 5000 1500 1400 0
Bonus Games

Strategy: How to Win at Wolf Strike Hold and Win Extra slot

Do not count on a special strategy, because the dynamics of the spins are determined by the random number generator and cannot be predicted. You can increase the comfort of the game by following a few principles:

  • start with a demo to understand the mechanics of the bonuses;

  • choose medium bets to last longer;

  • target the Hold & Win activation, because that's where the big prizes are.

More Iron Dog slot machines
Slot machine RTP Volatility Max win Release date
Piggy Bank Cash 95 % Middle 5000 16 April 2025
3 Hot Chilli Peppers 95 % High 10000 2 April 2025
Everest Avalanche 95 % High 2500 29 January 2025
Smoking Hot Fortunes 95 % High 500 14 November 2024
Wai-Kiki 96 % High 5000 2018

Wolf Strike Hold and Win Extra Interface

The interface of the online slot is simple and easy to understand for anyone who chooses this game. To control the gameplay under the reels are buttons that allow you to perform the following actions:

  1. enter the menu;

  2. read the rules;

  3. familiarize yourself with the payout table;

  4. adjusting the sound volume;

  5. select a bet;

  6. set automatic spins mode;

  7. start spins.

Additionally, the balance, win amount and current bet amount are displayed on the screen.

New Iron Dog slots

Mobile Compatibility

The slot is optimized for Android and iPhone, works without lag, you can play on smartphones and tablets. Mobile slot machine fully reproduces the functionality of the desktop version, preserving the quality of visual effects and animation.

Other online slot machines

Should You Play Wolf Strike Hold and Win Extra Slot for Real Money?

Wolf Strike Hold & Win Extra is a stylish and functional slot with charisma and real potential for big wins. The game combines interesting bonus mechanics and visual depth, but requires tremendous stamina as it takes its time to trigger the bonus feature. I recommend trying it out to gain gaming experience.

Frequently asked Questions

🍰 What is the RTP in Wolf Strike Hold & Win Extra?

The player return rate is 93.4% on average.

⚖️ How many reels and lines are there in a game from Iron Dog Studio?

The online slot features 5 reels in 3 rows and 10 fixed paylines.

💲 What is the maximum win size in Wolf Strike Hold & Win Extra?

Players can win a maximum of x5,000 to bet.

Pros
  • Interesting theme and design
  • Hold & Win Bonus Game with Respins
  • Large multipliers
  • Several types of jackpots
Cons
  • RTP is below the comfortable level of 96%
  • High volatility
Anastasia Deordica
Anastasia Deordica
Online slots expert and gambling analyst

Anastasia is one of the youngest but promising Casinoz employees, having entered the gambling industry on her own and mastered its nuances under the guidance of experienced colleagues. She understands the history and trends of gambling, knows the peculiarities of slot manufacturers, and is able to identify the hidden disadvantages and advantages of online machines. Nastya actively tests mobile versions of games, using demo versions to study the mechanics before real bets, and avoids risky amounts, preferring a theoretical approach. Her strength lies in her ability to explain complex aspects of gambling and provide psychological support to players, helping them to maintain control.

An expert in:
  • online slots
  • manufacturers
  • gambling history
  • demo testing
  • game risk management
  • analysing game mechanics
Facts checked Alex Vasilev Scientific editor and fact checker
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Type of game Video slots
Manufacturer Iron Dog logo
Theme Animals, Classic Slots, Adventure, Luck, Action
Min bet 0.10 €
Max bet 20 €
RTP 93.4%
Max multiplication 5000 : 1
Is free test available Yes
Mobile version Yes
Issue date June 11, 2025
Progressive jackpot Yes
Reels number 5
Lines number 10
Wilds Yes
Scatter No
Gamble Feature No
Volatility High
3D slot Yes
Respins Yes
Freespins No
Progressive multipliers Yes
Bet line 0.1 - 20
Bonus games Bonus Game, Respin, Coin Feature, Hold and Win Spins