Primal Buffalo PowerGrid is a wild west animal-themed slot by Booming Games.
The slot is built on a 6x4 reel grid with 10,000 ways and offers a theoretical maximum win of x2150x.
It also comes with special features such as Hold and Respin and Fixed Jackpot, adding locked-symbol bonus tension and extra jackpot targets alongside regular wins.
Reel Config
6x4
Paylines
10,000 Ways
RTP
-
Volatility
-
Max Win
2,150x
Bonus Buy
100x
Two roles are especially well represented here: separate prizes and bonus modes. The jackpot family accounts for a separate reward route within the profile. The scatter family contributes to accessing a separate phase of play.
The core format is accompanied by a substantial collection of special mechanics, making this an extensive feature 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™'.
Catalyst Zone is a unique payout mechanic that introduces a dynamic, temporary enhancing spot on the reels. This feature designates a single, random position on one of the reels as the 'Catalyst Zone' for each spin. When a winning symbol lands within this active zone, it triggers a powerful multiplier interaction. It first applies the current multiplier associated with its entire reel to the win. Immediately after, it increases that specific reel's multiplier by +1 for any further wins occurring within the same cascading sequence. This creates a self-reinforcing effect, amplifying potential payouts during consecutive cascade reactions.
Average Bonus Buy Price
This slot's bonus buy price sits within the usual range for comparable slots. Buying the feature can be a reasonable option if your goal is to reach the free-spin round without waiting for a natural trigger. The trade-off is that you skip the base-game spins that would normally happen before the feature, including any wins or volatility from that part of play.
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.
