At a Glance: Thunderstruck II Stats
Irish player notes: Looking to play Thunderstruck II online with real money? The Thunderstruck II demo on this page is free; when you are ready for real stakes, pick a licensed Irish-facing casino from our Best Irish Casinos list. This review was produced by the Slots Irish editorial team and benchmarks the 96.20% RTP against similar Megaways and progressive jackpot slots. Reminder: only play at casinos under UKGC, MGA or GRAI licensing — see our Irish gambling laws guide.
Irish player notes: Looking to play Thunderstruck II online with real money? The Thunderstruck II demo on this page is free; when you are ready for real stakes, pick a licensed Irish-facing casino from our Best Irish Casinos list. This review was produced by the Slots Irish editorial team and benchmarks the 96.20% RTP against similar Megaways and progressive jackpot slots. Reminder: only play at casinos under UKGC, MGA or GRAI licensing — see our Irish gambling laws guide.
Thunderstruck II Overview
Welcome to our Thunderstruck II review — a Norse mythology-themed slot from Microgaming. The Thunderstruck II RTP is 96.65%, volatility is medium, and the max win is 2,430x on a 5x3 grid with 243 ways.
The headline mechanic is Great Hall of Spins with four tiered free-spin modes (Valkyrie, Loki, Odin, Thor) unlocked via scatter triggers — increasing multipliers and wild mechanics per tier.
Verdict: Thunderstruck II is a solid medium-volatility slot that sits at 96.65% RTP — Microgaming delivers its signature polish. See where Thunderstruck II fits alongside similar Microgaming titles on our full catalogue.
RTP, Volatility & Max Win
Thunderstruck II's RTP of 96.65% is above the 96% Irish market average. Some operators license reduced-RTP variants — always check the in-game info panel before real-money play. Background in our RTP guide.
The 2,430x max-win ceiling is modest and most accessible during the bonus round.
Theme, Design & Symbols
Thunderstruck II wears a Norse mythology theme with Microgaming's signature production values. The symbol set and reel frame read cleanly across desktop and mobile, and the audio design stays out of the way during long sessions.
Bonus Features & Free Spins
Thunderstruck II bonus features
Great Hall of Spins with four tiered free-spin modes (Valkyrie, Loki, Odin, Thor) unlocked via scatter triggers — increasing multipliers and wild mechanics per tier
Free Spins / bonus trigger
Free Spins trigger via scatter symbols, typically awarding 8–15 spins with enhanced multiplier mechanics.
Where to play
Available at UKGC- and MGA-licensed Irish-facing casinos. See our Best Irish Casinos shortlist.
Explore Thunderstruck II
Where to play Thunderstruck II in Ireland
- LadbrokesUKGC / MGA licensed
- BoyleSportsUKGC / MGA licensed
- PlayOJOUKGC / MGA licensed
Casinos carrying Microgaming titles from our Best Irish Casinos shortlist.
Similar slots by Microgaming
- Immortal Romance96.86% RTP
- Hot Shot96.63% RTP
- Basketball96.52% RTP
- Cashapillar96.52% RTP
- Immortal Romance II96.1% RTP
More picks from the same studio. Browse our full slot catalogue for every reviewed title.
Thunderstruck II Gallery
Four gameplay views of Thunderstruck II by Microgaming from our hands-on session. Every image links to the full-size file; missing files are auto-hidden.
Pros and Cons
Game view — different reel state
- ✓96.65% RTP above market average
- ✓2,430x max-win ceiling
- ✓Medium volatility profile
- ✓Mobile-optimised HTML5 build
- ✓Distributed at every major Irish-facing Microgaming casino
- ×Medium volatility means cold streaks between bonus hits
- ×RTP variants possible at some operators — always verify
- ×Free Spins trigger frequency is average
- ×€15 max bet restrictive for higher rollers
- ×Some territorial availability restrictions
Best Slots Like Thunderstruck II
Bonus and feature highlights
Reactor
A vibrant cluster pays slot from Play'n GO with high volatility, cascading wins, and a plethora of quirky alien-powered bonus features for bigger win potential.
Samba de Frutas
Another Play'n GO hit with a mythological theme, featuring the 'Hand of God' and 'Wrath of Olympus' bonus features on a grid without traditional paylines.
Cash Coaster
The iconic high-volatility Egyptian adventure from Play'n GO, famous for its expanding special symbols during the free spins round and massive win potential.
Dragon Island
A colourful world-matching puzzle slot with cascading wins, multiple world themes, and special crystal charge features that unlock various bonuses.
Frequently Asked Questions
What is the RTP of Thunderstruck II?
The Thunderstruck II RTP is 96.65%. Always verify the in-game info panel before playing for real money as reduced-RTP variants may exist.
Can I play Thunderstruck II in Ireland?
Yes. Thunderstruck II is available at UKGC- and MGA-licensed Irish-facing casinos.
Is there a free demo?
Yes. Slots Irish hosts a free Thunderstruck II demo with no sign-up, no deposit and no email required.
What is the maximum win?
The Thunderstruck II max win is 2,430x your total stake.
What is the volatility?
Thunderstruck II has medium volatility.
Reviewed by the Slots Irish Editorial Team
This Thunderstruck II review was manually tested and verified by our editorial team with 10+ years of iGaming experience in the Irish market. Last updated: April 2026.
18+ | Gambling involves risk. Play responsibly. GamblingCare.ie