Fat Thor

Fat Thor is a Norse mythology-themed slot by Spinner Labs.

The slot is built on a 5x5 reel grid with cluster pays and offers a theoretical maximum win of x50,000.

It also comes with special features such as Cluster Pays and Cascading Reels, adding cluster-based hit patterns beyond fixed lines and repeat-win chances from cascading symbol drops.

Specifications

Reel Config

5x5

Paylines

Cluster

RTP

96%

Volatility

Max Win

50,000x

Bonus Buy

200x

Demo Play

FeatureMatch™

A combination of mechanical roles

The profile brings several roles into view without fitting a clear single-focus or dual-focus pattern. Part of the symbol-combination role comes from wild mechanics. Reward enhancement is among the roles assigned to special-purpose symbols here.

Feature richness

A moderate feature set suggests a balance between familiar slot gameplay and the added variety of special mechanics, with several features to explore alongside the core spin-and-win format.

Feature mechanics: 5
Feature families: 4

Feature profile

Select a role to explore its contributing features.

Number of features contributing to each role. One feature can contribute to several roles.

How we analyze this game’s features

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.

All features 7

Cluster Pays Cascading Reels Standard Free Spins Accumulating Multiplier Wild Multiplier Symbol Sticky Wild Bonus Buy

Highlight Features

Cluster Pays

The Cluster Pays system is an innovative winning method that completely breaks the traditional slot concept of 'lines'. In a typical slot, symbols must be placed sequentially from the left on a designated payline to be considered a win. However, in the Cluster Pays method, there are no lines at all. Instead, symbols like candies or jellies cascade down onto a large grid (usually 5x5 or larger). There is only one condition for a win: identical symbols must connect horizontally or vertically to form a cluster.

Accumulating Multiplier Wild

An Accumulating Multiplier Wild is a hybrid feature where a wild symbol is equipped with its own multiplier, which then continuously accumulates and grows under specific conditions during a bonus round. Its most distinct characteristic, unlike a 'global multiplier' that applies to the entire round, is that the multiplier is tied to the wild symbol itself. This means the power of the accumulated multiplier is only unleashed when that specific wild directly contributes to a win.

Bonus Buy Price Comparison

Price x200

High Bonus Buy Price

This slot's bonus buy price is above the usual range for comparable slots, so buying the feature is not the default recommendation. It may still be worth considering if the free-spin round offers unusually strong mechanics, higher volatility, or a payout profile that is meaningfully richer than standard features. Without that extra upside, the buy price may feel expensive relative to typical bonus buys.

Avg. Min x81.6Avg. Max x129.1

LowExpectedHigh

About Previews

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.