This manual for the Danger High Voltage slot details its RTP, the highest possible payout and the stake limit in the UK. It distinguishes between data confirmed by Big Time Gaming and assertions made by third-party sites, and it illustrates the game's position relative to other Big Time Gaming releases that users in Great Britain look for.
Most people will be familiar with the basics. It's a Big Time Gaming slot based on the early-2000s track by Electric Six, featuring a disco and retro-rock style. It has six reels and 4,096 ways to win, along with two optional free-spin modes involving multipliers and wilds. Danger High Voltage 2 is a distinct sequel, and the information following doesn't apply to it.
What Big Time Gaming actually confirms
The game page from the provider is brief, and it is the only source that can settle a figure. It confirms:
- RTP: 95.67%
- 4,096 ways
- Two features to choose from, along with a random symbol that turns into a sticky wild for the entire feature
- Mobile and desktop play, built in HTML5
- A page from 1 May, though the launch year is listed as 2017 in other places
The page doesn't provide a maximum win, a volatility rating, a stake range, the number of scatters needed to trigger a feature, spin counts or multiplier sizes. It also doesn't mention a free demo. Each of those details is sourced from third parties.
The RTP: 95.67% is the figure to trust
Some pages list 96.22% for Danger High Voltage. Other sources cite a range between 95.97% and 96.22%, which implies the game comes in several RTP versions. Big Time Gaming provides a single figure of 95.67% on its page and does not mention any other versions.
The correct number is 95.67% until the provider lists others. The larger figures shouldn't be seen as confirmed versions of this game. As always, RTP represents a long-term average over a very large number of spins. It can't predict any individual session.
Maximum win and volatility: no settled answer
The sources vary the most on this point. A review from PokerNews lists a maximum win of 20,000x the stake. Different figures of 10,000x, 15,746x, 28,190x and even 160,000x are mentioned on other pages.
Big Time Gaming doesn't publish a maximum win, so none of these values can be confirmed. While the 20,000x amount comes from the most detailed review, treat it as a number from that review rather than the provider's.
Volatility is just as uncertain. PokerNews describes the game as high volatility, while other reviews say something different.
How the features work
PokerNews says that the bonus starts when three or more scatter symbols appear. You then pick one of two free-spin rounds:
- High Voltage free spins, featuring a wild multiplier of up to 6x
- Gates of Hell free spins, featuring a multiplier of up to 20x
A lightning-bolt wild is also present in the base game. Big Time Gaming's page confirms the two-way choice and the random sticky wild that remains for the entire feature. It notes that this sticky wild was a first-to-market concept when the game first came out. The multiplier limits and trigger count are based on the review, not the provider.
Stakes for UK players
Casinos with a Gambling Commission licence can legally provide online slots in Great Britain. Danger High Voltage fits the Commission's criteria for an online slot, so it is subject to the stake limit:
- £5 per game cycle for those aged 25 and above (effective from 9 April 2025)
- £2 per game cycle for those aged 18 to 24 (effective from 21 May 2025)
According to reviews, the betting range is 0.20–40.00, though no currency is specified. One review refers to the maximum as $40. None of these figures represent a UK range. You cannot play any amount exceeding £5, or exceeding £2 for younger adults, in this region. A UK casino may also establish its own minimum. The cap includes any sum risked or paid regarding the game, regardless of the term the casino uses for the game.
What UK rules change on screen
The remote technical standards from the Commission determine how the game functions for a player in Great Britain:
- No autoplay. You must trigger each spin manually.
- No turbo, quick spin or slam stop. Tools that accelerate the outcome or create a feeling of control are banned. An exception by the Commission applies to feature or bonus games that don't require an additional stake.
- At least 2.5 seconds have to elapse between the beginning of one spin and the start of the next.
- No false celebrations. Win animations or sounds cannot be used for returns that are the same as or less than your stake.
The standards page of the Commission, which was last updated 30 September 2026, mentions no pending changes to these regulations.
Big Time Gaming doesn't state if a demo is available. According to reviews, many casinos provide one, which is a practical method to view the two features before staking anything. No matter what you play, establish a budget and follow it.
Where it sits among Big Time Gaming's games
Based on Google Ads' estimates of monthly average searches in Great Britain for "[name] slot", Danger High Voltage ranks fifth out of 74 Big Time Gaming games. These numbers track interest rather than the actual number of players.
| Game | Avg. monthly GB searches |
|---|---|
| Bonanza | 590 |
| Gold | 320 |
| Millionaire | 260 |
| Pop | 170 |
| Danger High Voltage | 170 |
| Lil' Devil | 140 |
| Monopoly Megaways | 140 |
| White Rabbit | 90 |
Danger High Voltage and Pop are tied at 170. It is searched for more often than White Rabbit, an older-style title that appears next to it in the provider's site sequence.
Bonanza, which is in first place, uses Megaways to change the number of ways to win on every spin. Danger High Voltage stays at a fixed 4,096. This represents a genuine difference in the way the two games play. The search data by itself doesn't show if this is why Bonanza attracts more than three times the interest.
UK players will find one practical similarity between the two. Both are subject to the same screen rules and the same £5 and £2 caps.