- Easy to play
- Decent free spins feature
- Attractively designed game
- Gamble feature
- Free spins can be re-triggered
- Not many bonus features
- Some players might want more lines
Contents
Introduction
There is no shortage of online slots games based around the theme of Poseidon, so what makes this offering from Spinomatic stand out from the crowd? The most obvious things are probably the game design and graphics - this is a stunningly well-designed slot with smooth gameplay. There is a free spins round, triggered by landing scatters, and a gamble feature that gives you the chance to increase your winnings after a successful spin. You'll almost certainly want to check out our other Spinmatic free slots after trying this one!
Theme, Graphics & Soundtrack
Visually, this is a stunning slots game, with great attention to detail. The reels are set against the backdrop of Poseidon's underwater kingdom, and the background scene is animated to bring the entire game to life. The reels themselves are also striking, with animated symbols and intricate designs. Although many slots have animated symbols these days, Poseidon does this better than most. Gameplay is very smooth and fast - there is no jarring or lagging in this slot. The game has a very atmospheric feel to it, and this is complemented by the accompanying soundtrack. The movie-style music works well with the game, and the sound effects that accompany winning spins don't clash with the soundtrack in the way you might find in some other slots.
If you enjoy playing this slots game and want some similar slots to try out, you'll find lots of mythology themed slots for you to peruse here at Slots Temple.

How to Play Poseidon
This really couldn't be simpler to play - but here are step-by-step instructions in case you're unsure of anything.
1. Launch the game.
2. Locate the Bet display and use the plus and minus buttons to scroll through the available bet sizes.
3. When you're happy with the total bet, click on the spin button to start the game.
4. If you land a winning combo, you will have the choice of collecting your win or gambling your win. If you choose to gamble, see point 5 below.
5. If you choose to gamble your win, click on the Gamble button. A mini game will appear. You will be asked to choose between two of the game's characters. After you've made your choice, one of the characters will appear in the centre of the screen. If you chose correctly, you will be given the chance to either collect your winnings or gamble again to double up once more. If you guess incorrectly, you'll lose your winnings. You should be sure to check out some of our other Spinmatic slots if you enjoy this one from https://www.slotstemple.com/free-slots/spinmatic/.
There is no autoplay function in this game.
Bonus Features
The game's main - and really only - bonus feature is the free spins round. You can read all about this below.
Free Spins
The free spins round is triggered in the base game when you land three scatter symbols on reels 1, 3 and 5. The scatter can ONLY appear on these reels but can land anywhere on the reels in order to trigger the free spins. You'll be awarded 10 free spins. Once you are in the free spins game, the game continues similarly to in the base game, but with one special twist: the scatter symbol is now wild. This means you have the original game wilds and potentially extra wilds landing on each spin. Even better, the free spins can be re-triggered if three scatters (which now also act as wilds) land on reels 1, 3 and 5 again during the bonus round.
While this game could probably benefit from a few more special bonus features, the double wild feature in the free spins game is fun and can be extremely lucrative.
Our Verdict
7.5/10. This is certainly a stunning game and is smooth and intuitive to play. It's incredibly attractively designed, and even the soundtrack has been carefully thought through. The game does feel a little limited, though, after a while, and it's unlikely to hold your attention as long as some of the other slots out there with a higher number of special features and more immersive gameplay.
| Slot Name: | Poseidon |
|---|---|
| Software: | Spinmatic |
| RTP: | 96.04% |
| Volatility: | Medium volatility |
| Paylines: | 9 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.09 (GBP) |
| Max Bet: | £36 (GBP) |
| Top Win: | 180000 |
| Features: | Wild Symbol, Scatter Symbol, Free Spins, Gamble, 5 Reels, Medium volatility |
| Themes: | Mythology |
| Last Update: | 29/06/2026 |
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Yes. Spinmatic have a UKGC license and are allowed to offer their games at UK licensed casinos. |
FAQs
What is the RTP of Poseidon?
The RTP of the game is 96.04%. This is a decent RTP - most serious players won't play anything less than 95-96% when it comes to online slots.
How volatile is Poseidon?
This is a medium-volatility slots game. This means you can expect to win pretty frequently when compared to high-volatility slots, but less than you would on a low-volatility slot. You can also expect most payouts to be small to medium, although larger wins are still of course possible at all game volatility levels.
What is the biggest win available on Poseidon?
The biggest single win on Poseidon comes courtesy of Poseidon himself as the game's highest-paying symbol. Five of the Poseidon symbols will net you a cool 5000 coins. Of course, it's also possible to win on multiple paylines in a single spin, so the actual largest win possible would be considerably more than this.
Does Poseidon have a free spins bonus round?
Yes, Poseidon does have a free spins bonus round. This can be triggered in the base game by landing three scatter symbols on reels 1, 3 ad 5 during a single spin. The free spins can be re-triggered by landing scatters in the same way during the free spins bonus round.
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