Our review of Danger High Voltage cuts through the marketing and looks at what matters: how it plays and how it pays. Big Time Gaming are the developer behind it, tuning the slot game for a high volatility profile, with a published RTP of 96.22%. The maximum win sits at 160,000x, so there's serious upside on the table. It's built with crisp artwork and atmosphere and plays out on a straightforward 6 reels layout. Originally released in 2017, it has aged well. Let's break down what works and what doesn't.
Written by Sophie Williams · Last updated: February 2026
Danger High Voltage comes to us from Big Time Gaming, finished with a clean, modern look. It runs on 6 reels and a familiar payline structure with high volatility, and 96.22% RTP.
The mechanics are what make Danger High Voltage interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Danger High Voltage is a dependable option worth a few spins in the demo first.
The RTP of 96.22% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Danger High Voltage features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.1 / 5 — Good
Danger High Voltage by Big Time Gaming is a solid offering that delivers good entertainment value. The 96.22% RTP combined with high volatility creates a well-balanced gaming experience.