What are Cascading Reels? All About the Avalanche Feature

By bringing additional excitement, engagement, and winning potential, the innovative Cascading Reels slots are becoming increasingly popular among players, making their way into numerous titles.

Today we will explore what Cascading Reels slots are, also known as tumbling reels slots or avalanche slots. We will cover their mechanics, evolution, and bonus features associated with them, along with some popular titles available in sweepstakes casinos utilizing this feature.

atlantic crush slot banner

Atlantis Crush

6 jokers slot banner

6 Jokers

ancient tumble slot banner

Ancient Tumble

temple of tollan slot banner

Temple of Tollan

doge life slot banner

Doge Life

barhalla slot banner


midas moolah random reels slot banner

Midas Moolah Random Reels

stampede bonanza slot banner

Stampede Bonanza

jungle spirit megaways slot banner

Jungle Spirit Megaways

rich wilde and the tome of insanity slot banner

Rich Wilde and the Tome of Insanity

What are Cascading Reels?

Implying old video games such as Tetris, tumbling reels sweeps slots are games with a mechanic where symbols in winning combinations disappear from the screen, allowing new symbols to fall from the top and fill the empty spaces.

This chain reaction can lead to multiple consecutive wins within a single spin, adding an element of excitement and unpredictability to the gameplay.

pulsz bingo games categories

Pulsz Casino Games Section 

History of Cascading Reels

Looking back in time, the first slot game to feature Cascading Reels was Gonzo’s Quest, developed by NetEnt. Released in 2010, the game quickly gained popularity, and its innovative mechanic inspired other software developers to incorporate similar features in their games.

Over the years, the concept of Cascading Reels has evolved, giving rise to new mechanics and unique gameplay experiences.

How Do Cascading Reels Affect Gameplay?

The Avalanche feature impacts several aspects of your gaming experience – they can affect the game’s volatility, win potential, and pace.

For example, if you have 3 matching symbols on a payline, you will get your reward accordingly. Then, the winning symbols will disappear from the reels, opening space for new symbols and potentially leading to new wins.

As you eagerly anticipate the outcome of each cascade, this mechanic encourages a faster gaming pace.

Advantages and Disadvantages of Cascading Reels

Pros Cons
  • Increased win potential
  • Enhanced engagement
  • Innovative bonus features
  • Higher volatility
  • Complex Mechanics for Newbies
  • Unpredictable outcomes

Popular Avalanche Slots in Sweepstakes Casinos

Are you looking for some free tumbling reels slots? Since sweepstakes casinos offer the chance to play for free yet win real prizes, you can check the slots with cascading reels they offer. Here we will look at some well-known titles they offer and in which casino you can enjoy the sweepstakes games.

Gonzo’s Quest

gonzos quest slot logo

Want to try searching for El Dorado, the lost city of gold? NetEnt gives you this opportunity with one of its pearls. Inspired by the famous explorer Gonzalo Pizzaro, the game takes you on an adventure where the main character, Gonzo, jumps from a ship to search for hidden gold by himself. You can join him by spinning the reels on the 5×3 grid with 20 paylines and an RTP of 96%.

The standout feature of Gonzo’s Quest is its pioneering Cascading Reels mechanic, known as the Avalanche Feature. When players land a winning combination, the symbols involved disappear, allowing new ones to fall into place, offering the potential for multiple consecutive wins within a single spin.

In addition to the Avalanche Feature, Gonzo’s Quest boasts a compelling Free Falls bonus round. Triggered by landing three golden Free Fall scatter symbols, you will be awarded 10 free spins, during which the Avalanche Feature’s multipliers are increased, ranging from 3x to 15x.

This can lead to substantial wins, making the Free Falls bonus round an enticing prospect.
You can enjoy this and other games at Pulsz Casino.

Pinup Dolls

pinup dolls logo slot

Mascot Gaming makes things retro by incorporating the 1950s pinup scene in one of its most popular games. The game’s vintage-inspired design, complete with retro graphics and stylish illustrations, perfectly evokes the nostalgic charm of the period, featuring five fancy-dressed girls, which are the expanding wilds: waitress, nurse, entertainer, cop and an air hostess.

The game features a bonus round triggered by landing three or more scatter symbols. Three of these special symbols result in 7 free spins, while four will reward you with 10. During the Free Spins round, the Cascading Reels mechanic is enhanced with increasing multipliers, offering the potential for significant payouts.

This slot combines low volatility with a relatively high RTP of 96.7% on a standard 5×3 and 15 paylines.

This title and many more slots are available at Fortune Coins.

Temple Tumble

temple tumle slot

Are you a fan of ancient-themed slots? This is exactly what Temple Tumble offers in terms of visuals. You’ll be captivated by the thrilling journey into the heart of an ancient Aztec civilization, on which this Relax Gaming title takes you, where you can explore mysterious temples filled with hidden treasures and relics.

This 6-reel, 6-row slot game offers an impressive 46,656 ways to win and boasts a stunning design that perfectly captures the mystical atmosphere of the ancient world.

In addition to the Cascading Reels, Temple Tumble offers an exciting Free Spins feature, which is triggered when you clear all stone block symbols from the grid. You can then choose from three free spins modes, each with its own unique combination of multipliers, additional free spins, and volatility levels.

Pulsz gives you the opportunity to enjoy Temple Tumble.

Cascading Reels and Bonus Features

Besides the increased excitement, Cascading Reels often come with additional bonus features, such as multipliers, free spins, and special symbols.

These features can significantly enhance your gaming experience by providing more opportunities for you to win and enjoy the game. For example, multipliers may increase with each consecutive cascade, boosting your potential payout.


From their humble beginnings in Gonzo’s Quest to the countless variations and bonus features available today, Cascading Reels continue to captivate players and leave a lasting impact on modern slot game design.

In this topic, we analyzed what Cascading Reels are, their impact on the gameplay, their pros and cons, and our 3 picks of the most popular sweepstakes slots utilizing this unique mechanic.

Follow us

Elina Blagoeva is a member of the Mr. Sweepstakes editorial team. She studied Multimedia and Creative Technologies at the KdG University of Applied Science and Arts in Antwerpen, Belgium.