Quick verdict: Moon Princess is a Play’n GO grid slot from July 2017, with a 5×5 grid, an RTP of up to 96.5%, high volatility and a 5,000x max win. Three princesses, Love, Star and Storm, help on losing spins, and clearing the grid starts the free spins.
Rows or columns of 3 or more matching symbols win, and the multiplier grows with each cascade up to 20x. The 2022 version with higher caps is Moon Princess 100.
Where we play Moon Princess
1win is our top-rated casino (9.9/10), with thousands of slots and a crypto withdrawal that took 15 minutes in our test.
Play at 1win18+. T&Cs apply. Not available in every country. Game libraries vary, so search the lobby for Moon Princess.
Moon Princess at a glance
| Provider | Play’n GO |
|---|---|
| Released | July 2017 |
| Layout | 5×5 grid; 3 or more matching symbols in a row or column win |
| RTP | Up to 96.5% (some sources say 96%) |
| Volatility | High |
| Bet per spin | 0.20 to 100 |
| Max win | 5,000x your stake |
| Multiplier | Grows with each cascade, up to 20x |
| Free spins | 4, 5 or 8, up to 20 in total |
| Bonus buy | None found |
| Mobile | Yes |
How does the base game work?
- Moon wilds: the middle symbol of a winning combination turns into a Moon wild.
- Win multiplier: rises with each cascade up to 20x, and does not reset during free spins.
- Girl Powers: after a spin with no win, a princess may help. Love transforms symbols, Star adds 1 or 2 wilds and Storm removes 2 symbol types.
- Princess Trinity: princess wins charge a meter. When it is full, you get a respin in which all three princesses use their powers in turn.
How do the free spins work?
Clearing all 25 symbols from the grid starts the free spins. You pick a princess, who uses her power on every spin without a win.
| Princess | Free spins | Power |
|---|---|---|
| Love | 4 | Transforms symbols |
| Star | 5 | Adds 1 or 2 wilds |
| Storm | 8 | Removes 2 symbol types |
More spins can be added during the round, up to 20 in total.
Moon Princess vs Moon Princess 100
| Feature | Moon Princess | Moon Princess 100 |
|---|---|---|
| Released | July 2017 | April 2022 |
| RTP | Up to 96.5% | 96.20% |
| Max win | 5,000x | 15,000x |
| Multiplier cap | 20x | 100x |
| Free spins cap | 20 | 100 |
The original has lower caps. The 100 version keeps the princesses but adds a base-game grid-clear prize and far higher caps.
Tips for playing Moon Princess
- The multiplier does not reset during free spins, so it can keep building through the round.
- Storm gives the most free spins (8).
- Check the RTP in the game rules: sources give 96.5% or 96% for the top version.
- At high volatility, set a budget and try the free demo first.
Slots like Moon Princess
- Moon Princess 100: the 2022 version with a 15,000x cap.
- Rise of Olympus: Play’n GO’s Greek-gods slot on the same grid format.
- Rise of Olympus 100: the 100 version of Rise of Olympus.
- Book of Dead: Play’n GO’s Rich Wilde slot.
Where to play Moon Princess
Casinos with Play’n GO slots often list several Moon Princess games, so check you have opened the 2017 original. 1win is our top-rated casino at 9.9/10 and paid our crypto withdrawal in 15 minutes in June 2026. New players can use promo code Ultragambler (see our 1win promo code page).
Moon Princess FAQs
What is the RTP of Moon Princess?
Up to 96.5%, according to SlotCatalog, Casinos.com and PokerListings. Gambling.com gives 96%, so check the figure in the game.
What is the max win in Moon Princess?
5,000x your stake, according to SlotCatalog, Casinos.com, Gambling.com and PokerListings.
How do you get free spins in Moon Princess?
Clear all 25 symbols from the grid, then pick Love (4 spins), Star (5) or Storm (8).
When was Moon Princess released?
July 2017, according to Play’n GO and SlotCatalog.
Can I play Moon Princess for free?
Yes. The demo at the top of this page plays with free credits; it loaded when we tested it on 8 October 2026.
How we checked this
- July 2017 release, the 5×5 grid, high volatility, 0.20 to 100 bets and the 5,000x cap: Play’n GO, SlotCatalog, Casinos.com, Gambling.com and PokerListings.
- Moon wilds, the 20x multiplier, Girl Powers, Princess Trinity and the free spins up to 20: Play’n GO, SlotCatalog and Gambling.com.
- Sources give the top RTP as 96.5% or 96%, and the free spins grid-clear prize as 100x or 200x, so we give the RTP as “up to 96.5%” and leave the prize out.
- Figures last checked: 8 October 2026.
Important: check your local laws before you play
Online gambling laws differ from country to country, and in some places it is restricted or not permitted at all. Check that online gambling is legal where you live and that the casino accepts players from your country. You must be 18 or older (or the legal gambling age in your country, if higher). Only gamble with money you can afford to lose.
