Sumo Sumo

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Rules and Gameplay

Delve into the sumo wrestling universe with Sumo Sumo, a captivating slot by ELK Studios that brings the essence of sumo wrestling to the slot world. This game operates on a 5×5 grid and boasts 259 unique ways to win. Players achieve victories by aligning identical symbols from the left to the right side of the grid, traversing both horizontally and diagonally. Designed to cater to a broad audience, Sumo Sumo ensures a seamless gaming experience across all platforms, offering both novice and seasoned players a chance to enjoy its dynamic gameplay and medium to high volatility, alongside an RTP of 94%.

Bonus Features

Sumo Sumo stands out with its array of thrilling bonus features:

  • Wild Sumo Stacks: This triggers when sumo symbols align side by side, creating a stack that acts as a wild. Each additional sumo symbol increases the stack’s multiplier.
  • Brawl Feature: When sumo stacks of different colors meet, they compete, with the victor’s multiplier absorbing the loser’s, enhancing potential winnings.
  • Speedboat Bonus: Triggered by three speedboat symbols, granting three free spins on a new 5×5 grid, packed with unique symbols for increased wins.
  • Free Spins: Launched by landing two scatter symbols, starting off with six free spins that can be retriggered, with sumo symbols increasing in value and potential.
  • X-iter Feature Buy: Offers players the option to buy into the game’s most exciting features, where regulations allow.


The game’s symbols draw heavily from its sumo wrestling theme:

  • Red and Blue Sumo Wrestlers: These symbols are among the highest value, offering rewards of 5 to 10 times the stake for a combination of five.
  • ‘W’ Wild Symbol: This symbol can substitute for others to aid in forming winning combinations.
  • Special symbols in the Speedboat Bonus, like Swimmer Sumo, Wakeboarder Sumo, Ramp, Harpoonist, and Turbo Harpoonist, introduce additional dynamics and opportunities for winnings.


Sumo Sumo offers players the chance for substantial payouts, with a maximum win of up to 25,000 times the stake. Despite an RTP of 94%, the game’s payout structure is designed to reward daring and strategy. Highlighted payouts include:

Symbol 5x Payout
Red Sumo Wrestler 10x Stake
Blue Sumo Wrestler 5x Stake
‘W’ Wild Symbol Varies


Forgoing traditional paylines, Sumo Sumo offers 259 ways to win, providing a more dynamic and engaging approach to slot gaming. This system allows for numerous winning combinations across the 5×5 grid, promising an exciting gameplay experience with every spin.

Pros & Cons

Pros Cons
Unique blend of sumo wrestling and slot gameplay RTP of 94% is below the industry standard
259 ways to win, providing numerous opportunities for payouts Medium to high variance may not suit all players’ preferences
Rich in bonus features for dynamic gameplay Limited jackpot compared to some high volatility games

Minimum and Maximum Bet

The game caters to a wide array of players, with minimum bets starting at $0.20 and maximum bets capping off at $100. This betting range makes Sumo Sumo accessible to both casual players and high rollers alike, offering flexibility in gameplay strategy.

Game Jackpot

Sumo Sumo features a game jackpot that can soar up to 25,000 times the player’s stake, alongside an RTP (Return to Player) of 94% and a medium to high variance. This blend suggests that while wins may not occur as frequently, they have the potential to be significant when they do, appealing to players looking for games with high reward potential.

About Provider

ELK Studios, the creator of Sumo Sumo is celebrated for its innovative approach to online slot development. With a commitment to crafting visually stunning and mechanically rich games, ELK Studios has established itself as a leader in the industry. Known for its dedication to mobile optimization, ELK Studios ensures that each game provides a seamless experience across all devices.

How To Play

  • Begin by selecting Sumo Sumo on your chosen platform and wait for the game to load.
  • Adjust your bet size using the game controls. Options range from $0.20 to $100 per spin.
  • Familiarize yourself with the game’s paytable and special features to maximize your understanding of winning combinations and bonus opportunities.
  • Press the spin button to start the game, or use the autoplay feature to initiate a set number of spins automatically.
  • Watch for winning combinations or bonus symbols to trigger the game’s various features, such as free spins or the sumo stack multipliers.
  • Adjust your betting strategy as needed based on the game’s performance and your personal gameplay preferences.


Sumo Sumo stands out in the crowded field of online slots with its unique theme, engaging gameplay mechanics, and the potential for significant wins. Despite a slightly lower RTP, the game’s high variance and the breadth of betting options make it a compelling choice for a wide range of players. ELK Studios has once again demonstrated its prowess in creating slots that are not only visually appealing but are also packed with innovative features that keep players coming back for more. Sumo Sumo is a testament to the developer’s creativity and dedication to pushing the boundaries of slot gaming.