3 Million B.C. is a prehistoric theme slot by BetSoft.
It features a 5x3 reel configuration with 243 ways to win.
Players can win up to 10,000x their bet, with special features like three unique Hoards (Upgrade, Respins, Extra) triggered by Multi-Function Wilds, a Hold and Respin bonus with multipliers, and Fixed Jackpots.
Reel Config
5x3
Paylines
243 Ways
RTP
-
Volatility
-
Max Win
10,000x
Bonus Buy
20x
The profile emphasizes mechanics that award prizes separately from standard combination-based wins. Special-purpose symbols provide a route to separate prizes.
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™'.
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.
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.
