Thunderstruck

Microgaming · Educational guide

Thunderstruck

A Microgaming slot with norse themes. This entry explains its listed format only; it does not promote play.

RTP
96.10%
Volatility
High
▶ Play the free demo
8editorial clarity score / 10

Free demo

Play the demo

The official demo published by Microgaming. It runs on play money only; no real funds are involved.

← Back to guide
Open in the continuous player ▶Moves to the closest demos with the frame still mounted — no further page loads.

If the demo does not appear, check your browser's frame-blocking settings. Screenshot requires granting screen-share permission.

PROVIDERMicrogaming
FORMAT5 reels · 9 Lines
RTP96.10%
VOLATILITYHigh
MIN BET0.09
MAX BET90
RELEASED2012-03-22

What this guide explains

Key concepts to understand

01

Format: 9 Lines

02

Volatility: Medium

03

Theme tags: Norse

Slot information

Theme & game design

One-line verdict

The one that set the template — plain by current standards, and still perfectly composed.

A Microgaming slot with norse themes. This entry explains its listed format only; it does not promote play.

A short story from the game world

A hammer hangs in a grey sky and the clouds arrange themselves around it out of long habit. The original storm; everything after was a sequel.

How the game plays

Thunderstruck is the original of Microgaming's Norse series: a hammer hanging in a grey sky with the clouds arranged around it, laid out over five reels and 9 paylines. By current standards the screen is plain, but the composition is tidy and the line count is small enough to check every result by eye.

The hub lists no named features for it, only the Norse theme. Later Thunderstruck titles moved to ways-based grids, which makes this one the line-based starting point of the family; the demo's paytable shows which special symbols the original actually uses.

The listing gives a release date of 22 March 2012, high volatility, an RTP of 96.10% and bets from 0.09 to 90. No maximum win is published. Those figures describe the game's maths in broad strokes and do not predict how a run of spins will go.

Why Microgaming

Microgaming effectively wrote the grammar of the online slot, and that depth still shows in every corner of the screen. The silhouette of a single symbol, the order of a paytable, the cue that marks a change of state — nothing here is left half-finished. Almost no other studio carries decades of formats, from classic three-reel machines to 117,649-way Maxways boards, in one library without the design language coming apart. If you are studying how these games are built, this is the most reliable text you can read.

Full slot reviewThe first of the four Thunderstruck titles. Read from the original's side: how a series that began as a 5-reel, 9-line slot in 2012 changed its format by 2022 — and how little its published figures moved along the way.Read the review →Series guideAll 3 Thunderstruck titles compared by published figures, in release order.View the series →
A good fit if you…
  • You are comfortable with long quiet stretches — a high volatility label means results are spread wide by design, not that they come more often.
  • You want to practise reading a paytable — every payout here traces back to a fixed line or a standard reel set.
  • You want to try before reading further — the studio's own demo runs on this page with play money only.
Assembled from the published labels only. It does not forecast results.

RTP, volatility, maximum win and bet ranges are reference values and can differ by game version or market.

Where it sits in the catalogue
  • Microgaming has 146 slots in this catalogue; this guide is one of them.
  • Among the 132 Microgaming slots with a single published RTP, 96.1% ranks #75.
  • Microgaming released 1 other title in the same month (2012-03).
Assembled by arithmetic over the catalogue. Ranks order the published figures by size; they are not a quality rating.

FAQ

Thunderstruck — frequently asked questions

What is the RTP of Thunderstruck?
The studio-published RTP is 96.10%. RTP is a long-run theoretical return, not a per-session result, and some operators run lower-RTP builds.
How volatile is Thunderstruck?
The studio lists its volatility as High. Volatility describes how results are spread, not how likely a win is.
What is the maximum win on Thunderstruck?
Microgaming does not publish a win cap for Thunderstruck.
Can I play Thunderstruck for free?
Yes. The studio's official demo runs on this page with play money only — no sign-up and no real funds.
When was Thunderstruck released?
Microgaming lists the release date as 2012-03-22.

Structure match

Closest by published structure

Nearest by format family, volatility, RTP, win cap and theme — computed from published specifications only. A study aid, not a recommendation.

Compare side by side with the closest match →