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Sun Princess Slot by Hacksaw Gaming – Review & Gameplay Guide

★★★★★ ★★★★★ 4.0/5

Sun Princess is a medium-volatility cluster pays slot from Hacksaw Gaming released in October 2025. This page covers the game's mechanics, RTP, key features, and how to play at licensed UK casino sites.

RTP 96.29%

MAX WIN 10,000x

VOLATILITY Medium

GRID SIZE 7x7

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What Is Sun Princess Slot?Wh

Sun Princess slot is a video slot developed by Hacksaw Gaming and released on 23 October 2025. It is the third entry in Hacksaw’s Princess series, following Cloud Princess and Rainbow Princess. Each title in the series shares an anime-inspired visual style and a cluster pay format. Sun Princess expands the concept with the largest grid of the three at 7×7 and is now featured among the most popular Hacksaw gaming demo titles for UK players.

The game is set in a radiant palace garden with a golden-crowned princess as the central character. The visual palette applies warm gold tones and bright gem colors against a soft, ethereal background. The art style targets players who prefer a lighter aesthetic compared to Hacksaw’s darker horror and crime releases.

Sun Princess Hacksaw Gaming sits in the medium-volatility category with a 47% hit frequency, which is among the highest in Hacksaw’s catalog. This makes it a more session-friendly option than titles like Invictus or Life and Death. Wins land on nearly half of all spins at the base level, though the largest payouts require Sun Ray Frame activations and bonus round development to reach their full potential.

The game runs on HTML5 and loads in any browser on desktop, tablet, or mobile without a download. The interface scales to all screen sizes with full touch support.

Sun Princess Slot Review

Sun Princess plays on a 7×7 grid with no fixed paylines. Wins form through Cluster Pays, meaning 5 or more matching symbols must connect horizontally or vertically anywhere on the grid. A cluster of 5 matching symbols pays the minimum value. A full grid of 49 matching symbols of the highest-paying Crown symbol pays 10,000x the stake, which is the game’s maximum win.

Bet sizes run from £0.10 to £100 per spin. The RTP reaches 96.29% at its highest setting. Operators select from four configurations: 96.29%, 94.25%, 92.35%, or 86.25%. UK players, check the in-game information panel before wagering to confirm the active setting.

The symbol set includes five low-paying gem pieces and five higher-paying princess-themed objects. Low-paying gems return 0.1x to 1x the stake for a 5-symbol cluster. The Crown symbol pays up to 10,000x for a full 49-symbol grid fill. Wild symbols substitute for all paying symbols and carry the same payout as the Crown when filling the grid.

Unlike many cluster slots, Sun Princess does not include a cascading reel mechanic. Wins do not cause symbols to fall and create new combinations automatically. The Chain Reaction feature fills this role instead, triggering additional Sun Ray Frames when certain conditions are met.

Key Features of Sun Princess

The central mechanic in Sun Princess is the Sun Ray Frame system. At the start of any spin, one Sun Ray Frame lands on a pay symbol or Wild anywhere on the grid. After wins are evaluated, the Frame activates and spreads in a straight line, converting all symbols in its path into the same type as the original framed symbol. Three spread directions are possible:

• Vertical Frame. Spreads up and down to the edges of the grid;
• Horizontal Frame. Spreads left and right to the edges of the grid;
• Four-Way Frame. Spreads in all four directions simultaneously.

If a Sun Ray Frame hits a Wild symbol during its spread, it attaches a x2 multiplier to that Wild. The multiplier increases by x2 each additional time that Wild is hit by a subsequent Frame. Multiple multipliers within the same win combine before applying to the total.

If a Frame spreads over a symbol that matches the original framed symbol, a Chain Reaction triggers. A new Frame appears on that symbol and activates from there. This process continues until no more matching symbols appear or the full grid fills.

Bonus Rounds

In the game, you can also get access to special bonus spins that can bring huge multipliers. Here is how they work:

• Solaris Grove. Triggered by 3 scatters. Awards 10 free spins with a higher frequency of Sun Ray Frames on each spin. Landing 2 or 3 extra scatters during the feature awards 2 or 4 additional spins;
• Sunfire Palace. Triggered by 4 scatters. Awards 10 free spins. Any Wild hit by a Sun Ray Frame gains a x2 multiplier and becomes sticky for the remainder of the feature. Multipliers accumulate across spins;
• Golden Eclipse. Triggered by 5 scatters. Awards 10 free spins with all Sunfire Palace mechanics active, plus a guaranteed Sun Ray Frame on every spin. This bonus cannot be purchased.

Bonus Buy options are available outside the UK. BonusHunt FeatureSpins cost 2x the stake per spin and make bonus triggers three times more likely. Stellar FeatureSpins cost 50x and guarantee one Sun Ray Frame per spin. Solaris Grove costs 80x, and Sunfire Palace costs 200x for direct bonus entry. UK players at UKGC-licensed sites do not have access to the Bonus Buy feature.

GAME SCREENSHOTS

Sun Princess Slot RTP and Volatility

RTP stands for Return to Player. It represents the theoretical percentage of total bets a game returns over millions of spins. The Sun Princess RTP reaches 96.29% at its highest configuration. This sits above the 96% industry average and is consistent with Hacksaw Gaming’s standard range.

Operators choose from four RTP settings. The gap between 96.29% and 86.25% is substantial. Always check the in-game information panel at your casino before wagering to confirm the active version.

The volatility is medium, scoring 3 out of 5 on Hacksaw Gaming’s scale. A 47% hit frequency means wins land on nearly every other spin in the base game. Most of these wins are small cluster payouts. The largest returns require Sun Ray Frames to trigger Chain Reactions and sticky wild multipliers to build across multiple Sunfire Palace or Golden Eclipse free spins.

How to Play Sun Princess Slot

Sun Princess is available at UKGC-licensed UK casino sites that carry Hacksaw Gaming content. It loads directly in any browser without a download. Here is how to play:

1. Open your chosen licensed UK casino site and search for Sun Princess in the game lobby.
2. Select the title to open the game screen.
3. Set your stake between £0.10 and £100 using the bet controls at the bottom of the screen.
4. Press the spin button. Wins are evaluated automatically across the 7×7 cluster grid.
5. Watch for Sun Ray Frames. When one activates, it spreads across the grid and transforms symbols. Any Wild in its path gains a x2 multiplier.
6. Landing 3, 4, or 5 scatter symbols in one spin triggers Solaris Grove, Sunfire Palace, or Golden Eclipse, respectively.

Tips for Playing Sun Princess Slot

Sun Princess carries medium volatility with a 47% hit frequency. Base game wins land frequently, but the largest payouts require Sun Ray Frames to chain across the grid and sticky wild multipliers to build across multiple free spins. Keep these points in mind before playing:

• Set a session budget before you start. Medium volatility keeps swings manageable, but the 10,000x max win requires a fully developed Golden Eclipse session with stacked wild multipliers;
• Confirm the RTP setting in the in-game panel before wagering. The lowest configuration at 86.25% changes the game significantly;
• Use demo mode to observe how Sun Ray Frames and Chain Reactions interact. The mechanic develops across multiple steps and benefits from direct observation before real money play;
• Set win and loss limits through the autoplay menu. The 47% hit frequency makes it easy to extend sessions beyond your planned budget;
• Play responsibly. Use the deposit and loss limit tools available at your licensed UK site.

Conclusion

Sun Princess is a medium-volatility cluster pays slot with a 7×7 grid, a 47% hit frequency, and a 10,000x max win. The Sun Ray Frame system and three-tier free spins structure give the game more mechanical depth than its visual style suggests. The 96.29% max RTP and session-friendly volatility make it a solid option for players who prefer active base game mechanics without extreme variance. Demo play is available at UKGC-licensed UK sites. Check the RTP setting at your chosen site and try the demo before wagering real money.

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