UltraGambler earns a commission if you sign up through some links on this page. It never changes our ratings. 18+. How we make money
Quick answer: the best Viking slots are Thunderstruck II (Microgaming, 96.65% RTP, about 8,000x max win), Viking Runecraft (Play’n GO, about 96.7%) and Vikings Go Berzerk (Yggdrasil, 96.10%, 4,000x). Thunderstruck II is the best known, with a random Wildstorm feature and four free spins modes.
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.
Play Viking slots for real money
For real-money Viking slots, our pick is 1win, the casino we score highest (9.9/10). Our June 2026 crypto withdrawal from it took a quarter of an hour.
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 | 5,000x |
| Vikings Go Berzerk | Yggdrasil | 96.10% | Medium to medium-high | 4,000x |
| Thunderstruck | Microgaming | 96.10% | Medium | Check info screen |
We checked every figure against at least two independent sources, listed under How we checked this below, and say so where they disagree. Casinos can run lower RTP versions of some games, so check the info screen before you play.
18+. T&Cs apply. Check that online gambling is legal where you live.
The best Viking slots online
1. Thunderstruck II (Microgaming, 2010)
| RTP | 96.65% (lower versions exist) |
|---|---|
| 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 |
| Max win | 5,000x |
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. The max win is 5,000x. Read our Viking Runecraft review. For a Pragmatic Play Norse game with tumbles and a 10,000x cap, see Gates of Valhalla, or Fury of Odin Megaways for Odin on a Megaways grid. Hacksaw Gaming’s Stormforged is a fire-and-ice Norse slot with a 12,500x max win.
3. Vikings Go Berzerk (Yggdrasil, 2016)
| RTP | 96.10% |
|---|---|
| Volatility | Medium to medium-high (sources differ) |
| 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 (see our Thunderstruck review). 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: the original Thunderstruck (medium volatility) and Vikings Go Berzerk (medium to medium-high).
- Check the RTP version: some casinos run Thunderstruck II at a lower RTP than 96.65%.
New to RTP and volatility? See our highest RTP slots guide and our how to win at slots guide.
Where to play Viking slots
Viking slot players have a good home at 1win (9.9/10), which paid our crypto test withdrawal within 15 minutes in June 2026; 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.
More slot themes
Aztec slots · Candy slots · Fishing slots · Wolf slots · Halloween slots · 3D slots · Christmas slots · or see every type of slot.
How we checked this
- Thunderstruck II (Microgaming, 2010), 96.65% RTP, 243 ways, about 8,000x max win, Wildstorm turning up to 5 reels wild and four free spins modes: SlotCatalog and OLBG. OLBG and Casinos.com rate volatility medium, while SlotCatalog says high.
- Viking Runecraft (Play’n GO), about 96.7% RTP, high volatility, 7×7 cluster grid and 5,000x max win: PokerListings and Casinos.com. SlotCatalog also gives 5,000x and confirms the meter must fill twice for Ragnarök.
- Vikings Go Berzerk (Yggdrasil, 2016), 96.10% RTP, 25 paylines and 4,000x max win: SlotCatalog and AboutSlots. SlotCatalog rates volatility medium, while AboutSlots and Yggdrasil say medium-high.
- Thunderstruck (Microgaming, 2004), 96.10% RTP, medium volatility, 9 paylines, Thor wild doubling wins and 15 free spins with a 3x multiplier: SlotCatalog and RotoWire.
- Gates of Valhalla (Pragmatic Play), tumbles and 10,000x max win: SlotCatalog and Bigwinboard.
Last checked: 13 October 2026, when we checked each figure on this page against at least two independent sources. Casinos can run lower RTP versions of some games, so check the game’s info screen before you play.
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.
