Biolab Mayhem
Shockwave Gaming

Biolab Mayhem is a lab experiment-themed slot by Shockwave Gaming.
The slot is built on an irregular reel setup with cluster pays and offers a theoretical maximum win of x25,000x.
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
Characteristic
PREVIEW
User Rating
-
Free Spin
Preview
Jackpot
None
Reel Config
Irregular Reels
Paylines
Cluster Pays
RTP
96%
Volatility
High
Max Win
25,000x
Bonus Buy
100x
Demo Play
Biolab Mayhem by Shockwave Gaming
Biolab Mayhem by Shockwave Gaming
Bonus Buy Efficiency
Bonus Buy Analysis
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.
Feature Highlight: 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.
Feature Demo
Feature Highlight: Cascading Reels
Cascading Reels is a system where winning symbols disappear from the screen, and the symbols above them fall down like a cascade to fill the empty spaces, continuously creating new winning opportunities. The core of this feature is to trigger a chain reaction that allows for multiple wins from a single spin.
Feature Demo
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.