Sumo Sumo

Sumo Sumo

► Developer: ELK Studios
► Reels: 5
► Rows: 5
► Paylines: 259
► RTP: 94.00%
► Max Win: 25,000x
► Volatility: High
► Min/Max Bet: 0.20/100.00
► Release Date: December 6, 2022
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Sumo Sumo: A Powerful Slot Experience

The world of online casino gaming is filled with a vast array of providers, each offering their own unique selection of games. Among these offerings, slot games hold a special place for many players. Today, we’ll delve into the exciting world of online slot games, with a specific focus on the captivating title called “Sumo Sumo.”

An Introduction to Sumo Sumo

Sumo Sumo takes inspiration from the thrilling Japanese sport of Sumo wrestling, where massive competitors battle it out in a full-contact showdown. Developed by ELK Studios, this slot game captures the essence of Sumo wrestling and delivers an exhilarating gaming experience.

Exploring the Game Setting

In the base game, players find themselves in a quiet back street, away from the grand sumo arenas. The choice of this setting may remind some of Street Fighter 2, with its blend of E. Honda and Chun-Li stages. However, there are no cheering crowds here. It’s almost as if you’ve stumbled upon an underground sumo tournament, reminiscent of the film “Bloodsport.” The location changes during the Speedboat Bonus, taking you to a scenic spot by the water. The free spins feature maintains the back alley ambiance.

A Game of Numbers

Sumo Sumo offers players not only big characters but also big numbers. The game’s theoretical return to player (RTP) value stands at 94%, providing a solid chance of winning. Moreover, the game boasts high volatility, meaning that players can expect thrilling and potentially lucrative gameplay. The maximum winning potential in Sumo Sumo is an impressive 25,000 times your bet. ELK Studios also introduces the X-iter feature buy menu, allowing players to switch between bonus and normal modes while adjusting their bet levels.

A Unique Gameplay Experience

Sumo Sumo takes a refreshing approach to the traditional slot game mechanics. Unlike standard slot games, wins in Sumo Sumo are awarded when matching symbols line up from the leftmost side and connect on adjacent reels, either horizontally or diagonally. With a 5×5 game board, players can enjoy 259 ways to win.

Symbolic Representations

The symbols in Sumo Sumo perfectly capture the essence of the game’s theme. The low-paying symbols feature blocky fruit, reminiscent of the square watermelons grown in Japan to fit better in refrigerators. These symbols include cherries, grapes, lemons, and watermelons, offering payouts ranging from 0.5 to 2 times the bet for landing five of a kind. The high-paying symbols consist of two sumo symbols, one red and one blue, paying out 5 to 10 times the bet for five of a kind. Additionally, the regular wild symbol, represented by a ‘W,’ can substitute for any paying symbol.

Sumo Sumo: Slot Features

Sumo Sumo packs a punch with its diverse range of features, ensuring players an exciting and rewarding gameplay experience.

Wild Sumo Stacks

During wins, adjacent sumo symbols can stack on top of each other, creating what is known as a Wild Sumo Stack. These stacks occupy a single position on the reels and act as wild symbols. Moreover, they come with a multiplier equal to the number of sumo symbols they contain. When a stack is created, a respin is awarded, and the stack moves one position to the right. If it reaches the rightmost reel, it starts moving to the left. The respins end if no more Wild Sumo Stacks are added.


When opposite Wild Sumo Stack types appear on the same row during a respin, a brawl ensues. The larger stack wins the brawl, multiplying its multiplier by the value of the losing stack. If the stacks are equal, a winner is chosen randomly. Losing stacks are removed from the reels, and the brawl can change the direction of the stack.

Speedboat Bonus

By landing three Speedboat Bonus symbols, players activate the Speedboat Bonus. This feature grants three spins on a 5×5 grid with a unique collection mechanic. A Speedboat symbol appears on the board with an assigned value, while other positions spin. The Speedboat can collect symbols in a horizontal and vertical line from its position. If it sees a new symbol in its line of sight, the spins reset, and the Speedboat collects it. This process continues as long as the Speedboat has symbols in its line of vision. The collected symbols include Swimmer Sumo, Wakeboarder Sumo, Ramp, Harpoonist, and Turbo Harpoonist. At the end of the spins, the total collection value is awarded.

Free Spins

Two scatter symbols landing on the reels award players with six free spins. During the free spins round, Wild Sumo Stacks remain in place between spins, contributing to potentially rewarding combinations. If the bonus round is retriggered, an additional six free spins are granted.


Sumo Sumo presents the X-iter feature, allowing players to activate Bonus Mode with various options. These include Bonus Hunt, Brawl Mode, Speedboat Bonus, Super Speedboat Bonus, and Free Spins. Each mode offers a unique gameplay experience with different bet multipliers.

Sumo Sumo: Slot Verdict

Sumo Sumo enters the realm of online slot games with a fresh and captivating theme. It offers an exciting gameplay experience with its innovative mechanics and multitude of features. While the sport of sumo wrestling may not be to everyone’s taste, Sumo Sumo manages to break free from stereotypes and introduces players to a thrilling and entertaining online slot experience.

The game’s complex rules and technicalities may seem overwhelming at first glance, but once you dive into the action on the reels, everything falls into place. The formation of Wild Sumo Stacks and their subsequent brawls provide entertaining gameplay moments. The Speedboat Bonus introduces a unique collection mechanic that adds an extra layer of excitement. Additionally, the free spins feature offers ample opportunities to land sizable stacks and achieve significant wins.

Whether you’re a novice or a seasoned player, Sumo Sumo offers something new and exciting in the world of online slot games. If you’re in the mood for an adventure that breaks the mold, Sumo Sumo is definitely worth exploring.

Sumo Sumo (FREE TO PLAY)

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4,8 rating

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⭐ non-sticky Bonus
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