Bullion Rush 7s: Hold & Win is a mining-themed slot by Kalamba Games.
It features a 5x3 reel configuration with 10 paylines.
The game offers a maximum win of x1,000 and includes Hold and Win, fixed jackpots, and various multiplier features.
Reel Config
5x3
Paylines
10 Lines
RTP
94.5%
Volatility
-
Max Win
1,000x
Bonus Buy
75x
Two roles are especially well represented here: reward enhancement and separate prizes. The jackpot family accounts for a separate reward route within the profile. Wild-related mechanics add ways to enhance reward values.
The game pairs its core format with a medium-sized collection of special mechanics, adding several distinct elements to the overall structure.
Select a role to explore its contributing features.
Number of features contributing to each role. One feature can contribute to several roles.
Each bar counts the features that contribute to a functional role. One feature can contribute to more than one role. Bar lengths are scaled to the largest count within this game; compare the numbers when looking across games.
These counts describe feature composition. They are not win probabilities, payout contributions, or quality ratings.
Hold and Respin, or 'Hold & Win', is one of the most popular core bonus game mechanics in modern slots. The essence of this feature, unlike traditional free spins, is to 'Hold' bonus symbols on the reels and 'Respin' the remaining empty spaces to fill up the screen. This system was popularized worldwide through 'Money Train 2's' 'Money Cart Bonus' and is the foundation for numerous developer-specific brand features like Wazdan's 'Hold the Jackpot™' and Playtech's 'Fire Blaze™'.
A Multiplier Wild is a powerful hybrid wild that combines the basic ability of a wild to substitute for other symbols with a multiplier feature that amplifies the payout itself. The core of this feature is not just about connecting a broken combination, but about multiplying the value of the completed winning combination several times over, turning an ordinary win into a high-payout moment.
Low Bonus Buy Price
This slot's bonus buy price is below the usual range for comparable slots. That makes buying the feature relatively accessible, especially if you want to try the free-spin round directly. Keep in mind that some games offer multiple free-spin tiers, and SlotWise uses the lowest available buy price as the reference. A lower price may also mean that the free-spin feature itself carries a lighter payout profile than higher-priced games.
Each SlotWise Preview examines a game’s rules, specifications, and special features. We identify individual mechanics and map them to standardized feature categories, then use FeatureMatch™ to describe the game’s mechanical character. Alongside free demo access, this gives you a consistent starting point for understanding and comparing games. Where a 300SPINS™ review is available, it adds observations and results from a recorded play session.
