SlotsReach

Empire of the Sun Stones Slot Review

by GeniiReleased Mar 5, 2025

Free demo - play instantly in your browser

Aztec-themed 25-line slot with two locked-out bonus tracks: an 8-spin free spins round and a Hold-and-Spin with four jackpot tiers up to 1,000x.

Demo player curtain

Specifications

Game TypeSlots
VolatilityMedium-High
Max Win1,000x
Grid5x3
Paylines25 fixed paylines
Themes
Features

Empire of the Sun Stones Slot Overview

An Aztec temple slot whose whole personality lives in one round: carved stones land, lock in place, and turn over cash prizes or one of four jackpots.

Everything around that is deliberately plain. Five reels, four rows, twenty-five paylines you can dial down to one, and a feathered Aztec king as the Wild who subs for everything except the two scatter symbols. No cascades, no expanding grid. Two different bonus symbols sit on those reels and they open two different doors: the Free Spins scatter turns up on reels 1, 3 and 5 only, while the Feature stones land anywhere.

The ceiling is 29,250 coins, which works out at 1,170x the stake across the full twenty-five lines, and the Mega jackpot accounts for 1,000x of it on its own. Genii shows no RTP figure anywhere in the game and has published none, which is normal for the studio and still annoying.

Theme & Design

Two squat stone idols flank the reels, arms pinned to their sides, eyes wide open, watching from the temple wall for the whole session. Symbols sit carved into cracked sandstone tiles with green shoots pushing up through the joins, and behind everything is a flat teal-and-yellow jungle with palm silhouettes. The four jackpot bars run along the lintel above the reels in red, purple, blue and green, easily the loudest thing here.

The Aztec carving work beats the template version of this theme. An eagle, a plumed serpent, a squat monkey figure and a jaguar are all rendered as proper relief sculpture in ochre stone rather than flat clip art, and the Wild is a king in a turquoise and yellow headdress with gold shoulder plates and red face paint. The Free Spins symbol, oddly, is a bearded man in a crested metal helmet who looks far more Spanish conquistador than Mayan, which is a strange bit of casting for a game about the empire the conquistadors flattened. Winning lines dim everything else to grey, an old-fashioned touch that at least makes the line easy to read.

Symbols & Paytable

SymbolPayout
Wild (feathered Aztec king)no prize of its ownsubstitutes every symbol except the two Scatters, and lands stacked
Free Spins Scatter (helmeted warrior)3 = 8 free spinsonly lands on reels 1, 3 and 5
Feature stone3 or more start the Feature roundlands on any reel; each locked stone reveals a coin prize or a jackpot
Top premium creature25 / 200 / 500 coins for 3/4/5the eagle, plumed serpent, monkey and jaguar fill these four tiers; coin values are per coin staked on a line, so the default two coins per line doubles them
Second premium creature20 / 100 / 250 coins for 3/4/5
Third premium creature15 / 75 / 150 coins for 3/4/5
Fourth premium creature15 / 50 / 100 coins for 3/4/5
A and K10 / 20 / 50 coins for 3/4/5
Q and J5 / 15 / 25 coins for 3/4/5

Features & How They Work

The Stone Feature Round

Three or more Feature stones landing anywhere start it, and it is a hold-and-respin rather than a pick round. The triggering stones lock where they fell, a counter is set to three respins, and every new stone that arrives locks too and turns over what it was holding: a coin prize, or a jackpot. Extra Spins stones reset that counter back to three rather than adding one, so a single one landing on the last respin buys the round a fresh lease. Four rows instead of three means twenty positions to fill, which sounds generous right up until you remember the leash is three spins long. The round cannot start while Free Spins are running, so the two never stack.

Four Jackpots, All Fixed

Mini, Minor, Major and Mega, and not one of them is a pooled progressive ticking upward. They are fixed multiples that scale with the stake: 25x, 50x, 200x and 1,000x. At the default 0.50 bet they read 12.50, 25.00, 100.00 and 500.00 along the top of the reels, and every one of them arrives only on a stone reveal inside the Feature. Four tiers is one more than Genii gave Eagle Eye, though the gap between Mini and Mega is wide and the bottom two rungs are where most reveals will land.

Eight Free Spins and No Way Back

Three Free Spins scatters, one each on reels 1, 3 and 5, award eight spins. That is the whole thing. No multiplier, no extra wilds, no enhanced reel set, and the round cannot retrigger itself, so eight is the hard number every single time. Bet and line count carry over from the spin that triggered it. The only additional spins anywhere in this game are the Extra Spins stones inside the Feature round.

The Wild

A portrait of the Aztec king that substitutes everything except the two scatters, and that is all it does. No multiplier attached, no restriction to the centre reels, no expansion. It does come stacked, and two of them dropping on the same reel is the most exciting thing the base game manages unaided. Genii often bolts a multiplier onto the centre-reel wild in this style of game, and there is nothing like that here.

Bet Setup, and What Is Missing

Coin sizes run 0.01, 0.05, 0.10, 0.25 and 0.50, with one to five coins per line and anywhere from one to twenty-five lines in play. That gives a floor of a single cent and a ceiling of 62.50 a spin, a wider spread than most jackpot slots bother with, and the default sits at 0.50, unusually low for this studio. There is no buy feature and no gamble on wins, so the stones arrive when the reels decide they do.

Screenshots

Empire of the Sun Stones gameplay screenshot
Empire of the Sun Stones gameplay screenshot

How Empire of the Sun Stones Plays

The base game is quiet work. Twenty-five lines across four rows produce plenty of small hits, most of them landing under the stake, and a balance tends to drift down in small steps rather than fall off a cliff. Comfortable, and a bit dull, because nothing in the base game builds toward anything. No meter fills. No symbols collect.

What carries a session is the four jackpot bars parked above the reels the entire time. They do their psychological job well; even at half a dollar a spin, 500.00 in red sits in your eyeline on every single one. When the stones finally land the whole texture changes, from watching reels spin to watching a stone turn over, and the short leash makes each individual reveal land heavier than its size deserves. A round that dies with two small coin prizes and nothing else is common, and it deflates every time.

The free spins are the odd one out. They show up rarely enough to feel like an occasion and pay plainly enough to feel like a shrug. That round would probably have been better dropped altogether in favour of a hotter Feature trigger.

Pros & Cons

Pros

  • Four fixed jackpot tiers up to 1,000x, all reachable from a single respin round
  • Extra Spins stones reset the counter to three rather than adding one spin
  • Unusually wide stake range, from one cent to 62.50 a spin, with lines adjustable down to one
  • Carved-stone symbol art has proper relief detail instead of the flat Aztec template

Cons

  • No RTP figure shown in the game and none published by Genii
  • Eight free spins with no retrigger, no multiplier and no enhanced reels
  • The Feature is locked out during free spins, so the two bonuses never combine
  • No buy feature and no gamble

Is Empire of the Sun Stones Worth Playing?

6/10

This is a jackpot game with a slot attached, and it is honest about it. The 5x4 reels, the twenty-five lines and the plain substituting wild all exist to deliver you to the stone round, and everything worth chasing lives inside it. Judged on that round alone it holds up: three respins is tight, the Extra Spins reset gives it a way to run long, and a spread from 25x to 1,000x is a proper ladder rather than two token prizes with a headline stuck on top.

The ceiling puts it mid-table, some way under what Genii has reached elsewhere, and with no RTP attached there is no way to judge what those jackpot tiers are costing. The base game does nothing to help; it is filler between triggers. The carving work is a pleasant surprise, though nobody is loading this one for the scenery.

Frequently Asked Questions

What is the maximum win in Empire of the Sun Stones?

The game caps at 29,250 coins, which is 1,170x the stake with all twenty-five lines in play. The Mega jackpot is the largest single prize at 1,000x.

How do you trigger the Feature round and win a jackpot?

Land three or more Feature stones anywhere on the reels. They lock in place and award three respins, and every stone that lands reveals either a coin prize or one of the four jackpot tiers. The round cannot trigger while free spins are running.

How many free spins does Empire of the Sun Stones award?

Eight, from three Free Spins scatters landing on reels 1, 3 and 5. They cannot be retriggered. The only additional spins in the game are the Extra Spins stones inside the Feature round.

What is the RTP of Empire of the Sun Stones?

The game displays no RTP figure and Genii has published none, so there is no confirmed number. Volatility is unpublished too, though the four jackpot tiers and the short free spins round point to medium-high.

Is Empire of the Sun Stones suitable for players under 18?

No. Real-money play is restricted to 18+ or the local legal age, and the version here is free demo play with no cash prizes. Set a budget before switching to a funded account.
Arina

Reviewed by Arina, PR & Content Manager

PR & Content Manager at SlotsReach

Published 6 Aug 2026 · Updated 6 Aug 2026