Three princesses offer three different ways to change a stubborn grid. Love transforms symbols, Star adds Wilds and Storm removes symbols. The choice looks cosmetic until free spins begin: their powers come with different starting spin counts and different extensions. Moon Princess is worth reading as a system of trade-offs, rather than as a colourful slot with three interchangeable characters.
Demo availability may vary by location. You must meet the legal age in your jurisdiction; the free-play button does not record acceptance.
Play’n GO released the original Moon Princess on 26 July 2017. It uses a 5×5 grid, with at least three matching symbols forming a horizontal or vertical row. This review concerns that original game, not Moon Princess 100, Christmas or another later version. A larger number in a sequel's name is not an update to the rules of this card.
The Play’n GO page introduces the studio's different grid formats. Compared with Reactoonz, Moon Princess uses a smaller field and straight matching rows rather than connected clusters of five. The distinction belongs in the rules, even when both screens show symbols falling after a win.
For adults of legal gambling age in their location. Set a budget you can afford to lose.
Read full reviewThe checked operator help page specifies 96.51% for its documented version. That is evidence for a configuration, not confirmation that every supplied copy of the original game uses the same percentage.
All rows and columns are active, and a symbol can participate in more than one winning combination. Three matching symbols in a straight horizontal or vertical run can therefore qualify. Three matching symbols arranged as an L do not qualify merely because their edges touch.
Winning combinations disappear and the remaining symbols drop into the spaces. A three-symbol win leaves a Wild at the middle position of that combination. The drop multiplier increases as the sequence develops. These rules make the location of a small win relevant to what can happen next, rather than simply removing the paying symbols and starting again.
Moon Princess has two conditions that are easy to conflate. Princess-symbol wins charge the Trinity meter. Clearing the entire grid triggers the choice of free spins. Filling one does not mean the other has already happened.
That distinction makes a recording much easier to follow. Ask which condition the screen is resolving before assigning a name to the feature. The paytable guide explains why a matching row, a connected cluster and a Scatter count are separate ways of evaluating a field.
Choose Moon Princess for the interaction between its characters and its grid, rather than for a conventional reel layout. It suits readers willing to distinguish a meter-triggered round from a grid-clear bonus. If you want a single feature condition and a fixed set of paylines, Book of Dead is a more direct comparison.
Girl Power can intervene on a non-winning round. Love changes one symbol type into another. Star places one or two Wilds. Storm removes two symbol types. Each action can create another opportunity for a win, but none should be described as a guarantee of a particular payout.
The active princess matters because it determines the available power. A transformed field, added Wild and cleared field are different interventions even when all three eventually lead to symbols falling. Read the result after the intervention before concluding that it created a winning combination.
Only winning princess-symbol combinations contribute to the three-section Trinity meter; Wilds can participate in those combinations. Three of a kind fills one section, four fills two and five fills all three. A large win made entirely from other symbols can pay well without contributing to this particular meter.
Once the meter is full and ordinary wins have finished, the game awards the Trinity round. Its drop multiplier starts again. Love, Star and Storm then take their turns in that order when the sequence runs out of wins, giving the field further opportunities to continue. After this feature, the previously active princess returns.
This explains why a Trinity sequence can feel like several features while remaining one structured extension. A later intervention does not mean a new paid bet was placed. The session-accounting guide helps keep the original stake and combined payout together.
Clearing the grid opens three options in the checked rules: Love starts with four free spins, Star with five and Storm with eight. The selected princess's power applies on every non-winning free spin. Unlike ordinary separate rounds, the drop multiplier carries through the feature, up to 20×.
It is tempting to choose eight because eight exceeds five and four. That comparison ignores the different power attached to each option and the rules for extensions. A spin count is one property of the option, not a complete expected-value calculation. Without the game's mathematical model, this review does not claim one princess is the profitable choice.
Charging the meter during free spins adds four spins for Love, three for Star or two for Storm. The documented maximum is 20 free spins. Princess Trinity itself does not run during this feature; the charged meter now has the extension role.
A complete grid clear during free spins gives an immediate award of 100× total stake. At a €0.40 base stake that particular award is €40. It is not 100 times the displayed cumulative feature winnings, and the 20× drop-multiplier limit is a different number with a different role. Do not combine them into an invented maximum-win claim.
The original's 20× multiplier limit, four/five/eight starting choices and four/three/two extensions form one documented rule set. Importing a larger multiplier from Moon Princess 100 while retaining the original spin choices would describe a game that has not been verified. The sequel-comparison article covers this common source of misleading summaries.
This review uses the current Play’n GO product page and Danske Spil's published help for the original Moon Princess, checked on 15 October 2026. The operator help provides a concrete rule set, including its RTP. Its presence does not verify the configuration of an unrelated operator or establish a personal cash-play session by the author.
To follow a demonstration, first identify the active princess, then read the multiplier and meter. When symbols disappear, distinguish a paid combination from a power removing symbols. Both change the field, but removal by itself is not necessarily a payout. The next displayed combination is the evidence for a new award.
If the field clears, note whether the game is in ordinary play or already in free spins. The first case opens the choice of feature; the latter has the separate 100× award described above. This is the most useful pause point when comparing clips with similar-looking empty boards.
The operator's monetary ceiling is also a configuration detail. A £250,000 limit in its help page cannot be pasted into the game's multiplier field as 250,000×. The big-win verification guide explains how to keep a currency ceiling, a stake multiple and a completed round award distinct.
Choosing a princess changes the feature format, not your ability to predict the next symbols. Decide on your session limits before making that choice. A growing drop multiplier can make the next sequence feel important without making a profitable outcome certain.
Separate the two triggers.
A full Trinity meter and a cleared grid lead to different features.
Compare the whole option.
Starting spins, power and extension count belong together; the largest starting count is not a proof of better value.
Record the completed round.
Do not count every drop or character intervention as another paid spin.
Moon Wilds substitute in regular winning combinations. Love, Star and Storm symbols have an additional role in charging the Trinity meter. Other paying symbols can form ordinary wins without contributing to that meter. All active rows and columns are evaluated under the game's straight-line grid rules.
Three matching symbols must be in a horizontal or vertical row; diagonal contact or a bent cluster is not enough. The middle position of a three-symbol win can become a Wild, making the arrangement of a small combination relevant to subsequent drops.
| Princess | Initial spins | Extension |
|---|---|---|
| Love | 4 | +4 |
| Star | 5 | +3 |
| Storm | 8 | +2 |
Keep the current drop multiplier separate from special fixed awards. For a hypothetical base combination worth 2× total stake at a current 5× multiplier, the modified award is 10× stake: €4 at a €0.40 stake. This illustrates the calculation and does not assert a particular symbol's paytable value.
The checked help page gives 96.51% for its version. On €200 of cumulative stakes, that corresponds to €6.98 of theoretical loss, not a promise that a €200 deposit will finish at a particular balance. The figure describes the full mathematical game, not a return you can assign independently to each princess by comparing spin counts. Verify the running game's configuration and do not substitute a percentage from a sequel with a similar name.
Play’n GO
The choice of character changes the rules of the feature. It does not establish a predictable result or remove the possibility of an unrewarding sequence.
On a phone, the active princess, meter and multiplier are separate indicators. Read all three rather than following the largest animation.
96.51% is the value in the checked operator help. It is not independent verification of every current implementation or later Moon Princess title.
The published game material presents the same compact 5×5 field across the product's layouts. The important mobile reading tasks are the active character, multiplier and access to the help panel. No handset-performance measurement is claimed here. Before a free-spin choice, make sure the option's spin count and character remain readable rather than selecting from artwork alone.
Confirm that the title is the original Moon Princess
Locate the current multiplier and Trinity meter
Read the character and spin count together on the feature choice
Open the rules to check the supplied RTP and payout units
Reactoonz builds a larger connected-cluster field around queued effects. Viking Runecraft uses a larger Norse grid with a different progression structure. Book of Dead is a simpler reference point for a feature centred on selected symbols rather than changing character powers.
| Game | Return / max win | Volatility | Bonus fit | Watch out for |
|---|---|---|---|---|
| Moon Princess | 84.50%–96.51% | — | Clearing the field opens a choice of Love, Star or Storm; each option combines its own power with distinct starting and extension spin counts. | Princess Trinity and the free-spin feature use the meter differently. A five-symbol princess win does not automatically mean that the whole grid has been cleared. |
| Viking Runecraft | 84.66%–96.71% | — | The main extension is a Ragnarök round with successive destructive effects and an end multiplier determined by its winning-symbol count. | A completed pattern, a full destruction meter and a lit rune are not interchangeable triggers. The accumulated wheel amount is conditional until the wheel resolves. |
| Reactoonz | 84.51%–96.51% | — | The feature develops within the paid round through charged meters and queued grid interventions, without a conventional batch of free spins. | Connected clusters, Giantoonz doubling and the successive Gargantoon formations are separate rules. Combining them into one vague multiplier description makes the payout harder to verify. |
The strongest reason to choose this game is its three distinct interventions on a compact field. If that is not appealing, the familiar characters and a larger advertised multiplier are poor substitutes for a better-fitting rule set.
See Viking Runecraft for a different character-led progression, or browse the Magic category to compare the visual theme without assuming the games share their mathematics.
Publication status: Original-game developer material and the published operator rule set checked on 15 October 2026. The review separates the original from later named variants.
Mechanics — 4.3/5, weight 30%. The three powers, meter and grid-clear objective interact in ways that give each character a meaningful role.
Pace and variety — 3.8/5, weight 25%. Different interventions can rescue a stalled sequence, although several stages make some rounds longer to read.
Distinctiveness — 4.1/5, weight 20%. The choice ties character identity to starting spins, extensions and grid behaviour rather than artwork alone.
Rules and controls — 3.4/5, weight 15%. The separate Trinity and grid-clear conditions are explainable, but similarly named sequels and multiple indicators add confusion.
Presentation — 4.1/5, weight 10%. A compact field and differentiated characters support the powers, with busy transitions occasionally competing for attention.
How the total is calculated. 4.3 × 0.30 + 3.8 × 0.25 + 4.1 × 0.20 + 3.4 × 0.15 + 4.1 × 0.10 = 3.98, rounded to 4.0/5.
Evidence and limits. The score is an editorial assessment of documented mechanics and presentation. No personal cash session, measured bonus frequency or claim of an optimal princess is included.
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Player opinions about gameplay, pacing and usability. Ratings are unweighted and moderated separately from session data.
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At least three matching symbols must form a horizontal or vertical row on the 5×5 grid. All rows and columns are active. A bent cluster or diagonal group does not qualify solely because its symbols touch.
Girl Power is the active character's grid intervention. A full Trinity meter leads to a structured round in which Love, Star and Storm take turns. Their effects are related, but the trigger and sequence are different.
The checked original rules start Love with four, Star with five and Storm with eight. Meter extensions add four, three and two respectively, with a documented total limit of 20 free spins.
No such conclusion follows from the count alone. Each option also uses a different grid power and extension count. A complete mathematical comparison would require more than the number of starting spins.
In ordinary play, clearing the grid triggers the free-spin choice. During free spins, a complete clear gives the separate 100× total-stake award described in the checked rules.
No. It covers the original 2017 game, including its 20× drop-multiplier limit. Later named titles have their own rules and should not supply numbers for the original card.
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