Under Charge Slot Demo by Yele Labs

Under Charge by Yele Labs Slot Overview

Under Charge by Yele Labs lights up a neon power plant with teal reactor towers and glowing electrical symbols. Its cascading Cluster Pays mechanic is shared with Fruit Party, but here winning clusters leave charged Reactor Nodes that boost later wins.

During free spins, reactors persist between spins, while Blackout turns the active network into a multiplier for the next qualifying win. High volatility and a 10,000x maximum win add bite to this layered design. Try the free demo on BonusTiime without an account or deposit.

Under Charge Slot Specifications

Under Charge uses a cluster grid with symbols connected horizontally or vertically to form wins. Its Cluster Pays setup keeps wins tied to connected symbols, while the 4.00% house edge gives a clear, published baseline for online slot gameplay.

RTP (Return to Player)

The RTP is 96.00%, with a house edge of 4.00%.

Volatility

High volatility means stronger swings, with bigger gaps between hits and a sharper bankroll rhythm.

Max Win

The 10,000x max win means a €1 spin can reach €10,000.

Under Charge Slot Features

Under Charge combines cascading clusters, persistent Reactor Nodes, Watt Wild substitutions, Free Spins, and the Blackout charge system into one layered bonus structure.

Cluster Wins

Five or more matching symbols connected horizontally or vertically form a winning cluster. Winning symbols disappear, and new symbols fall into place for cascades. Watt Wild substitutes for every symbol except the Scatter, and wilds can join more than one winning cluster at once.

Reactor Nodes

Every winning cluster leaves behind a reactor with charge equal to its size, up to 20. Later clusters can activate nearby reactors within one cell, and a discharge chains to reactors within two cells. Adjacent reactors merge, combining charge, and three merged nodes form a Super Reactor.

Free Spins

Three, four, five or six-plus Scatters award 8, 10, 12 or 15 free spins. During free spins, three, four or five-plus Scatters add 3, 5 or 8 more spins. Reactors carry over from spin to spin, so the feature keeps building pressure across the round.

Blackout

At 50 total charge, the grid drains to zero and Blackout converts the active reactor network into a multiplier for the next qualifying win. It then clears the active reactor network. In Super Reactor, the threshold drops to 45 charge instead of 50.

Buy Bonus

This feature lets players purchase specific bonus modes or switch Bonus Hunt on for extra free-spin chances.

• Bonus Round: x100 the bet, starts with 8, 10 or 12 free spins.
• Super Reactor: x500 the bet, starts charged with two extra spins.
• Bonus Hunt: x1.25 the bet per spin, boosts free-spin chances.

Under Charge Slot Review

Under Charge builds its identity around a neon reactor theme, with glowing towers, industrial symbols, and a dark sci fi interface that supports the idea cleanly. The energy grid look is not decorative filler here, because the board, Scatter, Wild, and reactor language all point to the same machine driven setting.

The gameplay stands out because every winning cluster leaves behind Reactor Nodes, which then feed later wins within the round and carry over between free spins. That gives the slot real progression, while the high volatility and 10,000x cap keep the upside sharply focused rather than broad or forgiving.

Under Charge carries reactor charge forward during free spins, and Blackout can convert that build-up into a multiplier for the next qualifying win. This is a slot with genuine mechanical depth, but one that still asks for patience when the board does not connect.

Under Charge Slot FAQ