NUUKD is a icy monster mining-themed slot by Shady Lady.
The slot is built on a 5x6 reel grid with 20 paylines and offers a theoretical maximum win of x20000x.
It also comes with special features such as Mystery Symbol and Symbol Upgrade, adding surprise symbol reveals and extra gameplay variety from the feature mix.
Reel Config
5x6
Paylines
20 Lines
RTP
96.1%
Volatility
-
Max Win
20,000x
Bonus Buy
83x
Some roles are more represented than others, but the feature mix extends beyond a clear one- or two-role focus. Special-purpose symbols contribute to changes in how combinations are formed. The payout-related family includes values or progress that can carry forward or develop.
A large feature set adds multiple mechanical layers to the game, with a wider range of special systems represented in its design.
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.
Symbol Upgrade is a powerful feature that progressively converts low-value symbols on the reels into higher-value ones as the game proceeds. The core of this feature is not just a one-time symbol change, but a 'growth' structure where lower-tier symbols are permanently removed from the reels and replaced by higher-tier ones. This drastically increases the average expected payout of the reels towards the end of the round.
A Retrigger means winning additional free spins by landing scatter symbols again during a free spins bonus round. Furthermore, some slots adopt an 'unlimited retrigger' system, which means there is no limit to the number of times it can re-trigger. In theory, if luck is on your side, the free spins can continue indefinitely, making it one of the most powerful features a slot can have.
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.
