Poseidon The Deep King Slot Review
A half-sunken temple of Poseidon rises out of a warm sea, marble columns receding into golden haze while an amphora spills gold coins across the rocks below. It’s a beautiful frame for a game that barely pays for its own symbols: Poseidon The Deep King puts almost nothing in the paytable and hands the whole job to its cascading multipliers, which is a bolder bet than the placid artwork lets on.
The game behind it is a big-grid affair: six reels of up to seven symbols, running from 64 up to 117,649 Rockways, at 95.99% RTP. It’s a cascading-ways setup in a crowded field, and the version of it Mascot have landed is well judged. Their Milk and Luck showed the same fondness for chunky, readable features. The studio keep the rule set short here, and the game is better for it.
Base Game & Features
Each reel holds between two and seven symbols on any spin, and the ways to win move with them: anywhere from 64 up to the full 117,649. The game shows the current count as the reels land, so you can watch a spin shrink or swell before it settles. Only the highest combination per way counts.
A full grid is where the biggest ways counts come from, and a sparse one can leave you spinning on a few hundred ways. The count resets on every spin, so there’s no carrying a good grid forward. That makes the reel layout itself part of the tension: a spin that lands tall reels feels different to one that doesn’t.
The paytable is a short ladder with a blonde figure at the top, joined by a crown, a ship with treasure, a green scroll and a shell holding a pearl. The four royals sit below them.
- Woman: three of a kind pays 0.8x, four pays 1.75x, five pays 4.5x, six pays 12.5x
- Crown: three pays 0.6x, four pays 1.25x, five pays 2.75x, six pays 6.25x
- Ship/Treasure: three pays 0.4x, four pays 0.75x, five pays 1.5x, six pays 3.25x
- Green Scroll: three pays 0.35x, four pays 0.55x, five pays 1x, six pays 2x
- Shell/Pearl: three pays 0.25x, four pays 0.35x, five pays 0.6x, six pays 1.25x
- Spade: three pays 0.2x, four pays 0.25x, five pays 0.4x, six pays 0.8x
- Heart: three pays 0.15x, four pays 0.2x, five pays 0.35x, six pays 0.6x
- Diamond: three pays 0.15x, four pays 0.2x, five pays 0.3x, six pays 0.5x
- Club: three pays 0.1x, four pays 0.15x, five pays 0.25x, six pays 0.45x
The values are modest at the low end, and only the top two symbols reach anything like a proper multiple for a six-of-a-kind. Small wins land in fractions of the stake, which is standard for a ways game that needs its multipliers to make a spin count.
Rockfall Feature
Any winning combination sets off a Rockfall: the winning symbols are removed and new ones drop in to replace them. Each consecutive Rockfall in the same spin raises the multiplier. The feature ends when no new win forms.
The base game steps run x1, x2, x3, x5 and x10. That’s a workmanlike ladder, and the x10 step at the top is what gives a long Rockfall chain its real bite. The Rockways count changes on every step too, so a cascade can open up the grid as it goes.
Because each fall of new symbols reshuffles the reel heights as well as the symbols, a single spin can go from a nothing grid to a full one mid-cascade. It’s the mechanic that keeps the base game moving between scatter triggers. On a tall grid, a chain of four or five falls builds quickly.
Poseidon The Deep King Free Spins & Bonus Features
Free Spins
Four or more Scatter symbols award 12 Free Spins. Each Scatter beyond the fourth adds three more spins, so a five-scatter trigger pays 15 and a six-scatter trigger pays 18. Landing four or more Scatters mid-round retrigger awards another dozen, with the same extra-spin rule applying to any scatters beyond the fourth.
The Rockfall ladder inside Free Spins is roughly double the base game: x2, x5, x10, x15 and x25. That’s the whole difference between the two modes, and it’s a big one. A five-step cascade in the bonus finishes on a multiplier two and a half times what the base game offers, which is where the round’s real potential sits.
Risk’n’Buy Feature
After any win, or at any time through the buy button on the side of the reels, there are two options. The first is a straight purchase of the Free Spins round. The second is the Risk Wheel, which wagers the current win for a shot at increasing it.
- Free Spins purchase: 150 total bets, with the price recalculating automatically if the bet size is changed during selection
- Risk Wheel: wager the current win for multiplier sectors, losing sectors and special sectors
- Maximum possible multiplier: x1000 of total bet
- Neither option is available during Autoplay
The buy price of 150x sits at the upper end of typical, so it’s a purchase for a player already sold on the doubled multiplier ladder. The Risk Wheel’s x1000 ceiling is generous on paper, and the losing sectors make it a genuine wager rather than a free upgrade.
The Risk Wheel stakes the win you’ve just landed, so a losing sector takes the lot. The buy, by contrast, is a fixed price with no wheel involved. Two different appetites for risk, sitting on the same button.
Our Honest Verdict
Overall Rating: 7.1/10
This is a game of two very different halves. The base game drifts along in that golden temple light, paying scraps and waiting; everything that matters happens in the free spins, where the multiplier ladder runs up to x25 and a good cascade can turn pocket change into a proper win. That bonus round is the one reason to pick it, and Mascot clearly know it, because they’ll sell it to you for 150 bets.
The doubling is the clever part. Every Rockfall step inside the bonus is worth more than its base-game twin, so retriggers genuinely change what a round is capable of rather than just extending it. The paytable is the problem: the symbols pay so little that a spin without a cascade behind it is barely a spin, and the base game never quite escapes that.
If you like big-grid cascades and you’re happy to sit through a quiet stretch for a bonus that pays like it means it, the temple doors are open. Anyone who wants the base game to hold its own should keep sailing.
Poseidon The Deep King FAQs
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What is the RTP of Poseidon The Deep King?
The RTP is 95.99%. -
How many paylines does Poseidon The Deep King have?
There are up to 117,649 Rockways, with the ways running anywhere from 64 up to the full 117,649 depending on how many symbols each reel holds. -
What is the grid size of Poseidon The Deep King?
It’s a 6×7 grid, with up to seven symbols per reel and as few as two on any given spin. -
How do you trigger free spins in Poseidon The Deep King?
Four or more Scatter symbols award 12 Free Spins, and each Scatter beyond the fourth adds three extra spins, so a five-scatter trigger pays 15 and a six-scatter trigger pays 18. -
What are the Rockfall multipliers in Poseidon The Deep King?
Consecutive Rockfalls raise the win multiplier. In the base game the steps go x1, x2, x3, x5 and x10; in Free Spins every step is roughly doubled: x2, x5, x10, x15 and x25. -
Can you buy the bonus on Poseidon The Deep King?
Yes. A buy button sits on the right side of the base-game frame, and the Free Spins round costs 150 total bets. You can adjust the bet during selection and the price recalculates automatically. -
What is the Risk Wheel in Poseidon The Deep King?
The Risk Wheel lets you wager a current win for the chance to increase it. It contains multiplier sectors, losing sectors and special sectors, with a maximum possible multiplier of x1000 of the total bet. -
Can free spins retrigger in Poseidon The Deep King?
Yes. Landing four or more Scatters during the round awards another 12 spins, and any Scatters beyond the fourth add three extra spins each, exactly as on the trigger.
