Boost Express is a electric train and classic fruit-themed slot by Betora Games.
The slot is built on a 3x4 reel grid with 10 paylines.
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
3x4
Paylines
10 Lines
RTP
96.25%
Volatility
-
Max Win
-
Bonus Buy
40x
Mechanics with their own prize routes form the most represented role in this profile. Special-purpose symbols provide a route to separate prizes.
An extensive feature set brings together a wide range of special mechanics, giving the game more individual systems to explore alongside its core format.
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 Multi-Function Symbol is a highly efficient and powerful hybrid symbol where a single symbol simultaneously performs the roles of two or more core special features, such as Wild, Scatter, Mystery Symbol, etc. The core of this feature is to elevate the game's complexity and potential by creating the expectation that the appearance of a single symbol can bring multiple positive outcomes at once.
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.
Previews focus on playable demo access, slot specifications, and feature structure before a full 300SPINS™ review is available. They are designed to make the slot easy to inspect and compare, while leaving performance judgments based on actual play sessions to full 300SPINS™ reviews.
