Viking slots mix Norse gods, longships and battle-axes with some of the most memorable bonus features online. We’ve picked four of the best Viking and Norse slots, from Microgaming’s Thunderstruck series to Play’n GO’s Viking Runecraft, with fact-checked RTPs, volatility and max wins.
Where we play Viking slots
1win is our top-rated casino (9.9/10), with thousands of slots and a crypto withdrawal that took 15 minutes in our test.
Play at 1win18+. T&Cs apply. Not available in every country. Game libraries vary, so search the lobby for Viking slots.
Best Viking slots at a glance
| Slot | Provider | Top RTP | Volatility | Max win |
|---|---|---|---|---|
| Thunderstruck II | Microgaming | 96.65% | Medium | About 8,000x |
| Viking Runecraft | Play’n GO | About 96.7% | High | Check info screen |
| Vikings Go Berzerk | Yggdrasil | 96.10% | Medium | 4,000x |
| Thunderstruck | Microgaming | 96.10% | Medium | Check info screen |
We checked every figure against at least two independent sources and say so where they disagree. Casinos can run lower RTP versions of some games, so check the info screen before you play.
The best Viking slots online
1. Thunderstruck II (Microgaming, 2010)
| RTP | 96.65% (a 94.13% version exists) |
| Volatility | Medium |
| Layout | 5×3, 243 ways |
| Max win | About 8,000x |
The best-known Norse slot. The random Wildstorm feature can turn up to five reels wild, and the Great Hall of Spins unlocks four free spins modes, Valkyrie, Loki, Odin and Thor, as you trigger the bonus more often. Read our Thunderstruck II review.
2. Viking Runecraft (Play’n GO)
| RTP | About 96.7% |
| Volatility | High |
| Layout | 7×7, cluster pays with cascades |
A cluster slot where wins charge a meter that unlocks god-powered modifiers, and filling it twice starts the Ragnarök bonus. Norse gods also hand out random gifts on losing spins. Sources disagree on the max win, so check the info screen. Read our Viking Runecraft review.
3. Vikings Go Berzerk (Yggdrasil, 2016)
| RTP | 96.10% |
| Volatility | Medium |
| Layout | 5 reels, 25 paylines |
| Max win | 4,000x |
Wins with the Viking symbols fill a rage meter. A full meter triggers free spins in which a Viking goes berserk against a siren, with sticky wilds and random modifiers. Treasure chests add instant prizes or extra free spins. Read our Vikings Go Berzerk review.
4. Thunderstruck (Microgaming, 2004)
| RTP | 96.10% |
| Volatility | Medium |
| Layout | 5×3, 9 paylines |
| Feature | 15 free spins with all wins tripled |
The original Thor slot. Thor is the wild and doubles any win he is part of, and three or more ram scatters trigger 15 free spins with tripled wins. It also accepts very low stakes; see our 1 cent slots.
How to choose a Viking slot
- Long-term progression: Thunderstruck II, whose Great Hall of Spins unlocks better modes over time.
- Highest RTP: Viking Runecraft (about 96.7%) and Thunderstruck II (96.65%).
- Steadier play: Vikings Go Berzerk and the original Thunderstruck, both medium volatility.
- Check the RTP version: Thunderstruck II has a much lower 94.13% version at some casinos.
New to RTP and volatility? See our highest RTP slots guide and our how to win at slots guide.
Where to play Viking slots
Our top-rated casino is 1win (9.9/10), with thousands of slots and a crypto withdrawal that took 15 minutes in our test; new players can use promo code Ultragambler (see our 1win promo code page). iWild (9.8/10) has a 7,000+ game library. Game libraries vary by country, so search the lobby for the titles above.
Viking slots FAQs
What is the best Viking slot?
Thunderstruck II is the most popular Norse slot, with a 96.65% RTP and four free spins modes. For cluster pays, try Viking Runecraft.
Which Viking slot has the highest RTP?
Viking Runecraft at about 96.7%, closely followed by Thunderstruck II at 96.65%.
What is the Great Hall of Spins?
Thunderstruck II’s free spins feature. Each time you trigger it you move closer to unlocking the next god’s mode: Valkyrie, Loki, Odin and Thor.
Can I play Viking slots for free?
Yes. Most have demo modes at casinos and on slot review sites.
Important: check your local laws before you play
Online gambling laws differ from country to country, and in some places it is restricted or not permitted at all. Check that online gambling is legal where you live and that the casino accepts players from your country. You must be 18 or older (or the legal gambling age in your country, if higher). Only gamble with money you can afford to lose.
