Thor’s Thunder Strike is a Norse mythology-themed slot by Spinomenal.
The slot is built on a 5x3 reel grid with 10 paylines and offers a theoretical maximum win of x2,000.
It also comes with special features such as Instant Prize Symbol and Symbol Upgrade, adding direct prize values attached to symbols and extra gameplay variety from the feature mix.
Reel Config
5x3
Paylines
10 Lines
RTP
-
Volatility
-
Max Win
2,000x
Bonus Buy
106x
Several roles contribute to this profile, with differing counts and no clear one- or two-role emphasis. Special-purpose symbols contribute to changes in how combinations are formed. Payout-related mechanics contribute to values or progress that persist or develop during play.
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.
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.
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.
