Mysterious
Certified by the HGC (HGC-006427-TM)
Data source: iGaming Tools (11 June 2026)
Free play · rotates to fullscreen
Demos are only available to people aged 21 and over.
Demo provided by the game studio via iGaming Tools. Free play only, no real money.
How it playsHow Mysterious plays
This page is compiled from the provider’s published data and the HGC register. It is not a review: we have not tested Mysterious yet, so it has no score.
Mysterious is a Pragmatic Play slot. It was released in February 2020. It is themed around horror.
It is certified by the HGC for online play in Greece, certificate HGC-006427-TM; last updated in the register on 15 November 2023.
Mysterious combines free spins and multipliers. 13 other slots of the 593 with data in our catalogue have exactly the same combination.
RTP 96.5%: what it means
With an RTP of 96.5%, the house edge on Mysterious is 3.5%: of every €100 staked in total, on average €96.50 comes back as wins over the long run. It is not a forecast for one session: over a few spins everything is chance, and over time the edge stays with the casino.
That equals the median RTP (96.5%) of the 593 slots with data in our catalogue. Across the 507 Pragmatic Play slots we track, the median RTP is 96.5%. Note: 96.5% is the standard version of Mysterious. If a casino runs another version, its RTP is shown in the game’s info screen.
Volatility: high
The provider rates the volatility of Mysterious as “high”. Wins are rarer and concentrated in the bonus rounds. Long losing stretches are expected, so a balance can run out quickly.
Of the other 506 Pragmatic Play slots in our catalogue, 434 share this level with Mysterious.
Max win: 9,648×
The top prize on Mysterious is 9,648× the stake, i.e. €9,648 at a €1 stake. It is a ceiling reached extremely rarely — not a win anyone should expect. That is above the median (7,500×) of the 544 slots in our catalogue that publish a max win; 249 are higher.
Bet range
We do not have an official bet range for Mysterious yet. Before playing, check the minimum and maximum stake in the game’s info screen.
Bonus features
Free spins
A round of spins you are not charged for, usually triggered by scatter symbols. Anything won in the round is added to your balance. In Mysterious it comes together with multipliers. Found in 489 of the 593 slots with data in our catalogue and in 416 of Pragmatic Play’s 507.
Multipliers
Multiply a win, for example ×2 or ×10. They are already part of the RTP — they do not raise it. In Mysterious it comes together with free spins. Found in 299 of the 593 slots with data in our catalogue and in 262 of Pragmatic Play’s 507.
Frequently asked questions
What is the RTP of Mysterious?
The RTP of Mysterious is 96.5%, according to the provider (Pragmatic Play). That is a house edge of 3.5% over the long run; a single session can differ a lot.
Is Mysterious certified in Greece?
Yes. The HGC has certified Mysterious for online play, certificate HGC-006427-TM (last updated in the register on 15 November 2023). You can check it with the “Is this slot certified in Greece?” search on frut.gr or in the HGC’s public register.
What is the max win on Mysterious?
9,648× the stake, according to the provider. It is a theoretical ceiling that is reached very rarely.
How volatile is Mysterious?
“High”, according to the provider. Wins are rarer and concentrated in the bonus rounds.
What bonus features does Mysterious have?
According to the provider: free spins and multipliers.
Can I play Mysterious for free?
Yes, in the demo on this page, with play money and only after confirming you are 21+.
Similar slots
Mysterious compared
The most closely related slots in our catalogue, by provider, volatility, theme and features:
| Slot | RTP | Volatility | Max win | Grid |
|---|---|---|---|---|
| Mysterious | 96.5% | high | 9,648× | — |
| Beware The Deep Megaways | 96.52% | high | 10,000× | — |
| Haunted Crypt | 96.51% | high | 10,000× | 5×3 |
| Monster Superlanche | 96.03% | high | 5,000× | 6×5 |
Compared with Beware The Deep Megaways (Pragmatic Play), Mysterious has an RTP 0.02 points lower, the same volatility and the same max win. Both have free spins and multipliers. Only Beware The Deep Megaways has cascades, Megaways and bonus buy.
Compared with Haunted Crypt (Pragmatic Play), Mysterious has an RTP 0.01 points lower, the same volatility and the same max win. Both have free spins and multipliers. Only Haunted Crypt has bonus buy.
Compared with Monster Superlanche (Pragmatic Play), Mysterious has an RTP 0.47 points higher, the same volatility and a max win 1.9 times higher. Both have free spins and multipliers. Only Monster Superlanche has cascades and bonus buy.