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Rules and Gameplay

The Mahjong slot from JDB is an intriguing 5×3 video slot game designed to captivate with its unique blend of traditional Mahjong elements and modern slot mechanics. The game includes 25 fixed paylines, ensuring that each spin offers a multitude of winning possibilities. Players start by setting their bets, with each spin triggering a possibility to land on various combinations that align with the Mahjong theme. The simplicity of the rules combined with detailed graphics provides a seamless and engaging user experience suitable for all types of players.

Bonus Features

The Mahjong slot is enriched with multiple bonus features designed to enhance the gameplay and increase winning opportunities. Notable features include:

  • Free Spins: Unlock a sequence of free spins that do not require additional wagers, potentially extending playtime and increasing winnings.
  • Wild Symbols: These symbols can substitute for any other symbols except for scatters to complete winning combinations.
  • Scatter Symbols: Scatter symbols help unlock additional game features or provide multipliers to the wins when they appear in the required numbers.
  • Substitution Symbols: These symbols have the unique ability to transform into any other symbol that leads to the highest possible payout on a betway.


Distinctive symbols in the Mahjong slot reflect its Oriental theme, each designed with meticulous attention to detail. Key symbols include:

  • Wild Symbol: Acts as a joker and is crucial for achieving high-value wins by replacing other symbols.
  • Scatter Symbol: Opens doors to bonus rounds, significantly boosting the dynamics of the game.
  • Mahjong Tiles: Various traditional tiles that represent different point values, essential for creating wins along the paylines.


Payout structures in Mahjong are varied, with each symbol combination offering distinct win possibilities. Below is an illustrative table highlighting potential rewards for different symbol combinations:

Symbol 3 on a Payline 4 on a Payline 5 on a Payline
Wild $100 $500 $1500
Scatter $30 $150 $750
Mahjong Tile 1 $15 $75 $300


The game features 25 fixed paylines, allowing players to maximize their chances to win on each spin. Each payline offers a path for winning combinations, critical for achieving big wins in the Mahjong slot game.

Pros & Cons

Pros Cons
Engaging Oriental theme with vibrant graphics Limited accessibility in certain regions like Georgia
Multiple bonus features including free spins and wilds No progressive jackpot
User-friendly gameplay suitable for beginners and experts alike RTP and Variance not specified, which may deter informed players

Minimum and Maximum Bet

The Mahjong slot by JDB allows players to place a minimum bet of $0.10 per spin, making it accessible for those with a lower budget. The maximum bet is set at $100 per spin, catering to high rollers seeking higher stakes and potentially bigger payouts. This range of betting options provides flexibility to accommodate various gambling strategies and bankroll sizes.

Game Jackpot

The maximum payout is a substantial $5000 for landing the highest-paying symbol combinations under the maximum bet condition.

About Provider

JDB, established in 2010 and previously known as JDB168 and Jiadoubao, is renowned for its dedication to crafting engaging casino content with a focus on Asian-themed games. The provider has gained acclaim for its vibrant graphics and innovative features, ensuring a unique gaming experience. JDB’s commitment to quality and player satisfaction was recognized in 2017 when they received the ‘Best B2B Digital Platform Software Solution’ award, underscoring their position as a leader in the gaming industry.

How To Play

  1. Choose a Casino: Select an online casino that features JDB games and register or log in.
  2. Load the Game: Find Mahjong in the casino’s game lobby and open the game.
  3. Set Your Bet: Adjust the bet size using the on-screen options to suit your budget. You can increase or decrease the bet amount as needed.
  4. Understand the Paytable: Review the paytable for information on payouts for different symbols and the combinations required for all bonuses.
  5. Play: Press the spin button to start the game. The reels will spin and then stop to reveal any potential winnings based on the symbol combinations.
  6. Use Bonus Features: Take advantage of any triggered bonus features such as free spins or wild substitutions to maximize your winnings.
  7. Adjust Strategy and Continue Playing: Based on the outcomes, adjust your betting strategy and continue playing. You can also set the game to autoplay for a chosen number of spins.


The Mahjong slot game by JDB merges traditional Mahjong elements with the excitement of modern slot mechanics, making it a standout choice for enthusiasts of Asian-themed games. Despite the absence of a progressive jackpot, the slot compensates with a range of betting options and dynamic bonus features that enhance the gameplay experience. While the undisclosed RTP and Variance might be a drawback for some, the overall engaging theme and easy-to-understand gameplay make it a worthy addition to any casino game selection.