| RTP | 96.10% - Compare RTPs |
|---|---|
| Volatility | Medium-High |
| Reels | 5 |
| Paylines | 25 |
| Bet Range | £0.10 - £125.00 |
| Features | Wilds, Scatters |
Vikings Go Berzerk Slot Review
Vikings Go Berzerk is a 2016 video slot from Yggdrasil Gaming and the second game in the Vikings Go series, following Vikings Go Wild. Where the original focused on standard wild mechanics, Berzerk adds a layered rage system that builds across the base game and feeds directly into the bonus rounds. It's one of the more mechanically involved slots Yggdrasil produced in that era, and the way the features connect gives it a depth that holds up well compared to later releases.
Game Details at a Glance
- Developer: Yggdrasil Gaming
- Released: November 2016
- Reels / Rows / Paylines: 5 reels, 4 rows, 25 fixed paylines
- RTP: 96.10%
- Volatility: High
- Bet range: £0.25 - £125 per spin
- Max win: 4,000x stake
- Hit frequency: 20.9%
Theme and Visual Style
The setting is a Viking longship on the open sea, under dark skies with waves crashing around the reels. The four main Viking characters each appear as symbols - a berserker warrior in different states of anger, illustrated in a bold, slightly comic-book style that gives the game some personality without being cartoonish. Sea serpents and sirens appear as part of the scatter symbols and feature mechanics, which fits the mythology around Norse seafarers fighting monsters on their voyages.
The animations are notably good for the period. When a Viking's rage meter fills, there's a short battle sequence before free spins begin, and during Berzerk mode the character model transforms. Yggdrasil put more visual production into this one than most of its contemporaries from the same year.
The Rage Meter - How It Works
Each of the four Viking symbols has its own individual Rage Meter displayed at the bottom of the screen. Every time a Viking lands on a winning payline, its meter fills by a portion. The meter builds across multiple spins, not just within a single spin, so the progress is cumulative over your session.
When a Viking's Rage Meter reaches full, that Viking goes Berzerk - it triggers a set of free spins with that Viking locked as a sticky wild. In Berzerk mode, the Viking symbol stays on the reel in a fixed position for the duration of those free spins, substituting for other symbols with every win. Filling multiple meters simultaneously is possible, and doing so before the feature triggers means you carry those filled or near-filled meters into the bonus round.
Free Spins Feature
Free spins are triggered separately from the Rage Meter by landing siren scatter symbols. Three scatters anywhere on the reels awards 7 free spins. Four scatters gives 14 spins, and five scatters on a payline grants 21 free spins.
During free spins, a short battle sequence plays out between each Viking whose Rage Meter is full and the sea serpent (siren). If the Viking wins the battle, it becomes a sticky wild for the rest of the free spins. If the serpent wins, that Viking is lost for the feature. The outcome of each battle adds variance - you can go into the feature with three fully charged Vikings and lose all of them, or win them all and have four sticky wilds covering the reels by the end. The randomness here is the main driver of the game's high volatility.
Any Viking that hadn't reached a full Rage Meter before free spins triggered carries that partial progress into the feature, continuing to build during spins.
Treasure Chests and the Ragnarok Feature
Two chest symbols add additional variety in both the base game and during free spins:
Treasure Chest - Lands on reel 4 only. When it appears, it reveals a random prize: a cash win (between 50 and 1000 coins), extra wilds placed on the reels, or additional free spins added to your current total.
Golden Treasure Chest - Lands on reel 5 only. The rewards are stronger than the standard chest, and crucially, one of its possible prizes is the Ragnarok Free Spins trigger - which converts all four Vikings into sticky wilds simultaneously, regardless of their individual Rage Meter status. This is the game's highest-value outcome, giving you a full grid of sticky wild Vikings for the remainder of the feature.
The Ragnarok trigger is rare, but it's what produces the biggest wins in the game. Getting a Golden Treasure Chest early in a free spins feature, with spins still remaining, can transform an ordinary session into a memorable one.
RTP, Volatility and What to Expect
The 96.10% RTP sits at the higher end of Yggdrasil's range and is above the UK market average of around 95.5%. The high volatility classification is accurate - a hit frequency of 20.9% means roughly one in five spins produces a win, which is lower than average. Between wins, the Rage Meters provide visual progress to track, which prevents sessions from feeling entirely dry, but you should expect variance in both directions.
The 4,000x max win is achievable through the combination of multiple sticky wilds and the Ragnarok feature during free spins, but it requires the features to align. For most sessions, the game plays as a medium-stakes grind with occasional bonus rounds delivering the bulk of returns.
Mobile Play
Vikings Go Berzerk runs in HTML5, so it works directly in the browser on iOS and Android without any app required. The interface adapts well in both portrait and horizontal orientations on mobile. The four Rage Meters remain visible at the bottom of the screen in mobile view, which is important since tracking their progress is central to how you read a session in this game.
The Vikings Go Series and Other Yggdrasil Slots
Vikings Go Berzerk sits between Vikings Go Wild (2015) and Vikings Go To Hell (2018) in Yggdrasil's series. Go Wild introduced the basic Viking vs. sea creature mechanic; Berzerk added the cumulative Rage Meter system and expanded chest mechanics; Go To Hell increased the feature complexity further with additional multipliers. A reloaded version of Berzerk was later released with updated graphics and tweaked volatility, but the original remains widely available across UK-licensed casinos.
If you enjoy Yggdrasil's approach to feature mechanics, several other titles from the developer are worth looking at. Twin Spin uses a different mechanic entirely, with two adjacent reels always locked together on every spin, creating a consistent pattern of cluster wins. Dazzle Me takes a similar connected-reels concept but extends it to larger reel sections. For something closer to Vikings Go Berzerk in terms of volatility and feature depth, Reactoonz offers the same kind of session arc where the most interesting outcomes emerge from feature interactions rather than simple base-game wins.
Is Vikings Go Berzerk Worth Playing?
It depends on what you want from a session. If you prefer steady action and frequent small wins, the high volatility and 20.9% hit frequency make this a challenging choice. But if you're drawn to games where individual sessions have a strong narrative arc - building rage meters, triggering the battle sequence, watching whether the Vikings win their fights - then this delivers that experience better than most slots of its age.
The Rage Meter mechanic is the real differentiator. It turns what would otherwise be a standard free spins game into something that rewards attention across multiple spins. The best sessions are the ones where you carry several near-full meters into a scatter trigger and then get to watch the battle outcomes stack up.
Frequently Asked Questions
Who makes Vikings Go Berzerk?
Vikings Go Berzerk was developed by Yggdrasil Gaming and released in November 2016. It is the second game in the Vikings Go series, following Vikings Go Wild.
What is the RTP for Vikings Go Berzerk?
The published RTP for Vikings Go Berzerk is 96.10%, which sits above the average for most UK-licensed online slots.
How does the Rage Meter work in Vikings Go Berzerk?
Each of the four Viking symbols has its own Rage Meter at the bottom of the screen. Every time that Viking appears on a winning payline, its meter fills. Once a meter reaches full, that Viking goes Berzerk and triggers free spins, becoming a sticky wild during the bonus round.
How many free spins can you win in Vikings Go Berzerk?
Landing three siren scatter symbols awards 7 free spins. Four scatters gives 14 free spins, and five scatters on a payline grants the maximum of 21 free spins.
What does the Golden Treasure Chest do in Vikings Go Berzerk?
The Golden Treasure Chest lands on reel 5 and awards random prizes, including the Ragnarok Free Spins feature. Ragnarok converts all four Vikings into sticky wilds simultaneously, regardless of their individual Rage Meter levels, and is the highest-value outcome in the game.
Is there a sequel to Vikings Go Berzerk?
Yes. Yggdrasil released Vikings Go To Hell in 2018, which continued the series with additional multiplier mechanics. A reloaded version of the original Vikings Go Berzerk was also released later with updated graphics.
Where to Play Vikings Go Berzerk
We're currently updating our casino list for Vikings Go Berzerk. In the meantime, browse our full casino reviews or check out current free spins offers.
Vikings Go Berzerk RTP and Variance
Vikings Go Berzerk has an RTP of 96.10%, which is above average. See our highest RTP slots for the best returning games. Medium-high volatility means less frequent wins but larger payouts when they hit.
At the minimum bet of £0.10 per spin, a £10 deposit gives you 100 spins with a statistical expected return of £9.61. Read our slot betting strategy guide for tips on managing your bankroll.