Rumble Rumble

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Rules and Gameplay

Rumble Rumble is a captivating slot game developed by Ainsworth, featuring a 5-reel, 100-payline format that immerses players in the untamed beauty of the natural world. The gameplay revolves around lining up symbols of the earth’s most majestic creatures to form winning combinations across the reels. With a unique “Fire Bull” feature, the game elevates the excitement by offering expanded wilds, significantly enhancing the potential for big wins. Players can adjust their bets across a wide range, aiming for the game’s top rewards while enjoying the thrill of the chase in this wildlife-themed adventure.

Bonus Features

Rumble Rumble is packed with exciting bonus features designed to boost your chances of hitting big wins. Here are the key bonus features you’ll encounter:

  • Fire Bull Feature: Triggers expanded wilds across the reels, transforming entire reels or surrounding reel positions into wilds depending on where the Fire Bull symbol lands.
  • Free Spins: Activated by landing three or more scatter symbols, offering players a special round of 8 free spins on a new set of reels that provide even more opportunities to win.
  • Special Golden Coin Icons: Includes scatter symbols that multiply the total bet value and a wild symbol that substitutes for any other symbol to complete winning lines.


The Rumble Rumble slot game showcases a variety of symbols, each intricately designed to reflect the game’s wildlife theme:

  • Wild Animals: Including mysterious stags, magnificent steeds, soaring eagles, lone wolves, and the fiery bull, each contributing to the game’s allure.
  • Special Golden Coin Icons: Feature additional bulls, with one acting as a scatter symbol offering bet multipliers and the other as a wild symbol helping to complete winning formations.
  • Fire Bull Symbol: Plays a crucial role in the game’s unique Fire Bull feature, offering players the chance to enhance their winnings with expanding wilds.


The Rumble Rumble slot offers a diverse range of payouts, with the potential for substantial wins. Here’s a glimpse at the game’s paytable:

Symbol 3 Symbols 4 Symbols 5 Symbols
Wild Animals Varies Varies Up to 1,000x line bet
Golden Coin (Scatter) 1x total bet 10x total bet 100x total bet
Fire Bull Activates expanding wilds or surrounding wilds feature


With 100 paylines, Rumble Rumble offers players numerous ways to win. The game is designed to allow for wins across a vast network of lines, amplifying the excitement and chances of scoring big. Each spin provides the potential to align symbols across the varied paylines, making every game an adventure filled with possibilities.

Pros & Cons

Pros Cons
Unique Fire Bull feature that enhances gameplay with expanding wilds Graphics may appear slightly dated compared to newer slot games
100 paylines offer numerous winning opportunities Below-average RTP of 94.08%
Exciting theme centered around the power and beauty of wildlife Limited betting range may not appeal to high rollers

Minimum and Maximum Bet

The betting range in Rumble Rumble is designed to accommodate various types of players, from beginners to seasoned slot enthusiasts. Bets can start as low as $0.01 per line, allowing for a minimum total bet of $1.00 when all paylines are active. The maximum bet per line is capped at $0.75, making the highest possible total bet $75.00 per spin. This wide betting range offers flexibility and control over gambling budgets, ensuring that players of all levels can enjoy the game without breaking the bank.

Game Jackpot

Rumble Rumble boasts an exciting gameplay feature with the potential for significant payouts, though it does not offer a progressive jackpot. The highest payout achievable in the game is 1,000x the value of the line bet for lining up the highest-paying symbols. The game operates with an RTP (Return to Player) of 94.08%, which is considered slightly below average for online slots. It also features medium variance, striking a balance between the frequency of wins and the size of the payouts, making it suitable for players looking for a moderately volatile gaming experience.

About Provider

Ainsworth Game Technology is the esteemed provider behind “Rumble Rumble.” Founded in 1995 by Len Ainsworth, the company has established a strong reputation in the gaming industry for its high-quality slot machines and innovative gaming solutions. Ainsworth is dedicated to delivering exceptional gaming experiences through intricate designs, captivating themes, and advanced technological features. Their portfolio spans a wide range of themes and game mechanics, catering to a diverse audience of casino enthusiasts around the globe.

How To Play

  • Start by setting your bet amount. Adjust the bet per line to suit your budget, remembering that all 100 paylines are active by default.
  • Once your bet is set, click the spin button to start the game. The reels will spin and then come to a stop, revealing any winning combinations.
  • Look out for the Fire Bull symbol, as landing it in specific positions can activate the game’s unique expanding wilds feature, increasing your chances of scoring big wins.
  • If you land three or more scatter symbols, you’ll trigger the free spins round, offering you additional opportunities to win without depleting your bankroll.
  • Continue spinning as long as you wish, or use the autoplay feature to set a predetermined number of spins for uninterrupted gameplay.


Rumble Rumble is a thrilling slot game that combines a fascinating wildlife theme with unique and engaging gameplay features. Despite its somewhat dated graphics and below-average RTP, the game’s expansive paylines and innovative Fire Bull feature make it a compelling choice for players seeking an exciting slot experience. Ainsworth’s dedication to quality and innovation is evident in Rumble Rumble making it a standout game in their extensive portfolio. Whether you’re a casual player or a seasoned gambler, Rumble Rumble offers an adventure into the wild that is both rewarding and exhilarating.