Sumo Sumo

Casinos with Sumo Sumo

An Introduction to Sumo Sumo

Renowned casino software provider ELK Studios is one of the best in the business. And they have once again proven it with Sumo Sumo, which explores a unique theme of Japanese wrestling. Despite focusing on an ancient sport, nothing about Sumo Sumo feels old-fashioned at all.

However, the fun does not stop in the wrestling ring. An interesting twist takes the fun out to the sea with speedboat bonus games. Find out about this and more in our Sumo Sumo review.

Experience the ancient Japanese national sport of Sumo. Try your luck at landing the 25,000x maximum win while watching epic brawls between wrestlers.

Betting and Layout

The 5×5 play area houses sumo fighters and other symbols, with 259 paylines. In this slot, sumo wrestlers fight to win the 25,000x maximum prize. To participate, you can stake between 0.20 and 100 credits. This game has a high volatility rating and a below-average RTP of just 94.00%.

For the base game, free spins and brawls, the setup is a quiet alley with Japanese symbols on the wall. Meanwhile, for the speedboat bonus games, the adventure is taken away from land and out to sea. Meanwhile, the soundtrack creates an immersive experience similar to that of a real sumo arena.

Key Information

Gameplay and Features

Sumo Sumo has a rich collection of features. Let’s talk about them.

Sumo Stacks Respin

Whenever similar Sumo symbols appear in a winning combination, they are stacked and given a multiplier value based on their number. You’ll then receive a respin for each additional symbol added to the stack.

During respins, the stacked sumo symbols create a walking wild that moves sideways on the grid, gathering more sumo symbols.

Speedboat Bonus

Trigger this with three bonus symbols during the base game or free spins. The Speedboat Bonus awards you three lives and plays out on a different 5×5 grid with a sea landscape.

The feature starts out with a Speedboat symbol. Then, all unoccupied positions on the reels spin to reveal a symbol, consuming a life. The speedboat travels horizontally and vertically along the reels to collect symbols while prioritising the highest-value route. When that happens, three additional lives are awarded.

Super Speedboat Bonus

This feature is similar to the speedboat bonus. The only difference here is that the harpoonist symbols landed during the bonus game are of the turbo type. We will talk about this and other symbols later in this Sumo Sumo review.

Brawl

During respins, when opposing sumo symbol stacks meet on the same row, they engage in a brawl. Consequently, the larger stack wins by pushing the smaller stack off the grid and multiplies itself by the value of the losing stack.

Meanwhile, if both sumo symbol stacks have the same size, the winner is chosen at random and their values are multiplied.

X-iter

This is a bonus buy feature. Check below to see how much it costs to use this feature for each game feature.

• Bonus Hunt: Costs 2x your bet, for a higher possibility of triggering the speedboat bonus or free spins.
• Brawl: Costs 25x your bet to guarantee a brawl.
• Speedboat Bonus: Costs 100x your bet to trigger the speedboat bonus.
• Super Speedboat Bonus: Costs 250x your bet to trigger this feature where you can land Turbo harpoonists.
• Free Spins: Costs 500x your bet to trigger free spins.

Regular Symbols

The low-paying symbols in this slot are cube-shaped watermelons, lemons, grapes and cherry. Next is the red sumo, followed by the blue sumo, which offers the highest payout.

Special Symbols

These special symbols only appear in the speedboat and super speedboat bonus features.

• Speedboat: Moves horizontally and vertically across the reels to add multiplier values on other symbols to itself.
• Wakeboarder Sumo: The speedboat collects the wakeboarder value and activates its counter. Wakeboarder attaches behind the speedboat and tags along while its value increases for each position travelled. Every additional wakeboarder collected increases its counter stack.
• Swimmers Sumo: Numbers found on swimmers are added to the speedboat’s value. 
• Harpoonist: Values on the harpoonist are added to the speedboat’s value. Also, while harpoonist remains on the grid, it adds its value to all uncollected sumo at each spin of the reels. 
• Turbo Harpoonist: Same as the harpoonist, but also adds its value to every uncollected Sumo for each movement the speedboat makes.
• Ramp: Performs tricks that multiply wakeboarder and speedboat values.

Bonus Symbol

There is also a bonus symbol enclosed in a triangle in this slot. Landing three bonus symbols will activate the speedboat and super speedboat bonuses.

Scatter Symbols

The free spin symbol is a neon clockwise arrow circling a “6” which serves as the scatter in Sumo Sumo. Landing two scatters during the base game will trigger the free spins round. Meanwhile, landing more scatter symbols during free spins will retrigger the free spins round.

Wild Symbols

The “W” serves as the wild which substitutes for other symbols on the reels except for the free spins and bonus symbols. With the wild symbols on the reels, you can create more winning combinations.

Sumo Sumo Free Spins

You receive 6 free spins whenever you land two free spins symbols. The wild sumo stacks remain in place during free spin rounds. And you can activate the free spin feature once more by landing more free spins symbols.

How to Win at Sumo Sumo

To win at Sumo Sumo, match three or more similar symbols on subsequent reels starting from the leftmost. Before proceeding to play Sumo Sumo for real, we suggest you check out our list of regulated casinos. These let you play video slots for free, so you can learn the rules and minimise your mistakes.

Payout Structure for Sumo Sumo

Low-paying fruit symbols pay between 0.1x and 2x your stake. The blue sumo pays between 0.5x and 5x, while the red sumo pays from 0.75 for three, to 10x for five.

Conclusion

Sumo Sumo is a real mixed bag. The graphics are nothing special and the RTP of just 94.00% is extremely disappointing. But at the same time, we have several interesting and completely different bonus games to enjoy. Not to mention a whopping 25,000x top prize up for grabs.

The relatively high volatility of this ELK Studios title will not suit everyone. But the theme is an interesting one and the game offers an enjoyable experience overall.

By freelance casino, poker and sports betting writer Dominic Field.

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