18+ only. Gambling involves risk, please play responsibly. Responsible gambling

Moon Princess: the grid slot that started a series

Moon Princess is one of Play'n GO's most recognised slots and the title that kicked off a long running series. It swaps reels for a 5 by 5 grid, mixes in three character powers, and asks you to clear the whole board for the big reward. In our testing it is bright, fast, and a lot more strategic feeling than a standard spinner, even though every outcome is still random.

How it plays

Instead of spinning reels, Moon Princess drops symbols onto a 5 by 5 grid. Match three or more of the same symbol horizontally or vertically and they clear, then new symbols fall into the gaps. That cascade can chain several times from a single drop, which is where the longer wins come from. The clever part is the three princesses, Love, Star and Storm. After most non winning cascades one of them steps in with a power, such as turning symbols wild, removing one symbol type from the board, or adding extra wilds. These powers keep a dead drop alive and give the game its signature rhythm.

The girl power feature

The headline feature is triggered by clearing every symbol from the grid. Do that and you set off the Girl Power bonus, which awards free spins where the three princess powers trigger in a fixed sequence and a multiplier climbs as you keep clearing. Stack a few full clears in a row during the bonus and the multiplier can lift an ordinary round into a serious win. Outside the bonus, a full clear in the base game also pays a flat multiplier of your stake. The whole design rewards tidy boards, so the tension is always about whether the next cascade finishes the job.

RTP and volatility

Moon Princess runs on a medium to high volatility profile. The base game produces frequent small cascades, but the meaningful money sits behind full clears and the Girl Power round, so dry patches are normal. Play'n GO ships more than one RTP build of this game, which means the same title can pay differently from one casino to the next. The graphics never change, only the maths, so the only reliable check is the info screen. Our RTP guide explains why that number matters, and the volatility guide covers how to size a bankroll for a game that pays in bursts.

How to play Moon Princess well

There is no skill that changes the result, but a few habits help. Decide your stake based on the swingy profile, not the cheerful art, because a thin run can last a long time before a full clear lands. Treat the princess powers as the engine of the game rather than a bonus, since they decide whether a cascade keeps going. If you want to learn the mechanic without risk, look for a free spins offer or a demo first. When you do play for real, pick a licensed operator from our casino reviews so payouts and fairness are not a question.

The verdict

Strengths: a genuinely fresh grid format, a feature that feels earned rather than handed to you, and pacing that keeps you engaged between bonuses. Weaknesses: the usual Play'n GO RTP version spread, and variance that can be unkind to small budgets. Moon Princess remains a benchmark for grid slots and a good entry point into the wider series. Play it as entertainment, set a limit you are happy to lose, and keep our responsible gambling advice in mind. For more on the studio, see our Play'n GO review. 18+.

Moon Princess FAQ

What is the main feature in Moon Princess?

Clearing the entire grid triggers the Girl Power free spins, where the three princess powers fire in turn and a multiplier rises with each full clear. A full clear in the base game also pays a flat multiplier of your stake.

Is Moon Princess high volatility?

It sits in the medium to high range. Small cascades come often, but the larger wins depend on full clears and the bonus, so expect uneven sessions and plan your bankroll accordingly. 18+.

Where can I play Moon Princess?

Moon Princess is available at most casinos that carry Play'n GO content. Choose a licensed site from our casino reviews, and check the info screen for the RTP version before you play.