POP Royale Slot Review
Rock islands drift through lavender cloud, a white observation tower rises above the haze, and airship machinery sits half-buried in the mist at the frame’s edge. POP Royale is a calmer, more painterly take on sci-fi than slots usually attempt, and that calm runs deeper than the artwork: this is a game that asks for one skill, patience with a slow build. Nearly every interesting thing that happens in it comes from a win you already landed.
AvatarUX build this one on a 5×3 grid with 243 Ways, a 97.96% RTP and mid-to-high volatility. It sits in a long lineage of expanding-reel games alongside CherryPop, HippoPop and CherryPop Deluxe. Whether the popping reels still have room to grow in a series this crowded is the fair question.
The Base Game and the PopWins Engine
Wins pay across 243 Ways on the starting 5×3 grid, with matching symbols on adjacent reels from the left. That’s the whole starting setup. The interest arrives after a win lands, and it arrives every single time.
How PopWins Works
After each win is evaluated, every winning symbol pops and is replaced by two symbols, which pushes the reel taller. Wins are then re-evaluated on the bigger board. As long as new combinations keep forming, the popping continues, chain by chain.
In the base game, reels can grow to six symbols tall. One nuance matters at the ceiling: once a reel is at maximum height and further wins land on it, the symbol still pops but is replaced by only one symbol, since the reel can’t stretch any further.
As the reels grow, the ways count grows with them, from the starting 243 up to 720 Ways on a fully expanded board. That expansion is also the route into the bonus. Fully unlocking every reel in the base game is what triggers the free spins, so every chain in the base game is also a step towards the feature.
- Starting grid: 5×3, three symbols per reel, 243 Ways
- Base game ceiling: reels expand to six symbols tall
- Expanded board: up to 720 Ways
- Bonus trigger: every reel fully unlocked in the base game
The rhythm this produces is unusual among ways-based games. A losing spin changes nothing, and the board simply resets to its starting shape. A winning spin, by contrast, can run through several pops in sequence, each one bigger than the last, until the chain finally breaks.
Each pop is also a small step up in coverage. A reel that grows from three symbols to four doesn’t just add one row of potential winners; it adds it to every combination that runs through that column. The compounding is why a single spin that keeps winning can finish on a board that looks nothing like the one it started on.
The reset works the other way just as cleanly. When a chain ends and no new wins form, the extra rows vanish and the next spin begins from the original 5×3 shape. Growth is always borrowed, never owned, until the bonus round changes that rule.
Free Spins and the Gamble Wheel
Unlocking all the base game reels hands over free spins, and the round runs on bigger ambitions: reels can reach nine symbols tall in the bonus. There are three levels, and the round you get depends on how you fare on the wheel first.
Free Spins Levels
- Free spins level 1: 5 free spins
- Free spins level 2: 8 free spins
- Free spins level 3: 12 free spins
One rule separates this round from a standard expanding-reel bonus: reel progress doesn’t fully reset between spins. Each spin drops the reels back only to the height of the shortest reel, so a tall board can be carried forward rather than rebuilt from scratch.
That partial reset changes the shape of the round. A spin that grows several reels leaves something behind for the next one, which means the board trends taller as the round goes on. It’s the reason a short spin count isn’t necessarily a short round.
The nine-symbol ceiling is worth dwelling on. Where the base game tops out at six rows, the bonus adds three more, and every extra row multiplies the ways a combination can be built. A reel at full height holds three times the symbols it started with, and the ways count climbs accordingly.
The Gamble Wheel
Before the free spins begin, a wheel appears with the chance to climb the spin ladder. You start at 5 free spins; win the first gamble and it’s 8, win the second and it’s 12. There’s also a rare golden field, which opens a shot at up to 12 free spins on the first gamble and up to 16 on the second.
- Starting point: 5 free spins
- Win gamble 1: climb to 8 free spins
- Win gamble 2: climb to 12 free spins
- First gamble: a 48.3% chance of winning, with the golden field on 1% of spins
- Second gamble: the win chance edges down to 48.25%, and gold appears on 1.2%
- Golden field: up to 12 free spins on the first gamble, up to 16 on the second
- A lost gamble: back to the base game, no free spins
The wheel is a real gamble in both directions. Losing it sends you back to the base game without the free spins at all, so the ladder comes with a cliff attached. The odds themselves are honest ones, sitting just under a coin flip, but the golden field is a one-in-a-hundred curiosity rather than a plan.
Win Potential
The RTP of 97.96% is high by any standard. Volatility sits at mid-to-high, which fits a game whose payouts depend on chains forming, growing and holding.
What the maths reward is sustained expansion. A nine-symbol reel grid in the bonus, a ways count that climbs well past its 243 starting point, and a round that only partially resets: those three things together are what a big result in this game is made of. The route to it runs through the base game every time, since the bonus only opens once every reel has been fully unlocked.
There’s no maximum win figure for this one. The practical ceiling is whatever a fully expanded nine-row board can assemble before the chain breaks, which is another way of saying the biggest results are the ones you build rather than the ones you’re promised.
Our Honest Verdict
Overall Rating: 7.7/10
Playing POP Royale is a lot of drifting: quiet spins over the sky city, then a chain catches and the whole board starts climbing. The one reason to choose it over its relatives is that carried-over progress in the free spins, which means a round gathers momentum instead of starting from zero on every spin.
The gamble wheel is the weakest link. The odds are fair, but losing it strips the bonus away entirely, so chasing the top rung of a 5-to-12 ladder risks throwing away a round you’d already earned.
This one’s for players who enjoy a slow build and the most generous RTP going, and for expanding-reel fans in particular. Anyone after constant features will find the drifting stretches between chains long. For the patient, the sky city repays the wait.
POP Royale FAQs
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What is the RTP of POP Royale?
POP Royale runs at an RTP of 97.96%, which is unusually generous for a modern video slot. -
Is POP Royale high volatility?
Volatility is rated mid-to-high, so wins can be less frequent but have room to grow significantly through the expanding reels. -
How many paylines does POP Royale have?
The game pays across 243 Ways on the starting grid. As the PopWins feature expands the reels, the ways count can climb to 720. -
What is the grid size of POP Royale?
The base game uses a 5×3 grid. PopWins can expand each reel up to six symbols tall in the base game and up to nine symbols tall during free spins. -
How do you trigger free spins in POP Royale?
Fully unlocking all reels in the base game, by growing every column to its maximum height through PopWins, activates the free spins round. -
What does the PopWins feature do?
Every symbol in a winning combination is removed and replaced by two new ones, stretching that reel taller. The board is then re-evaluated, and the process repeats for as long as new wins keep forming. -
What is the gamble wheel in POP Royale?
Before free spins start, you can spin a wheel to increase your spin count from 5 up to 8 and then 12. Losing the gamble ends the bonus attempt and returns you to the base game without the free spins. -
Do the reels reset between free spins in POP Royale?
No. Between free spins the reels only drop back to the height of the shortest reel, so progress made on earlier spins carries forward and the board tends to grow taller as the round goes on.
