Temple of Thunder Slot Review
by EvoplayReleased Mar 29, 2022
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Greek temple slot with synced reels that expand from twins to quintuplets each spin, creating up to 243 identical ways across all five reels.

Specifications
| Game Type | Slots |
|---|---|
| RTP | 96% |
| Volatility | High |
| Max Win | 3,645x |
| Grid | 5x3 |
| Paylines | 243 ways to win |
| Min Bet | $0.1 |
| Max Bet | $75 |
Temple of Thunder Slot Overview
A Greek temple slot built on one trick: reels that clone each other. Every spin begins with at least two neighbouring reels locked together, showing the exact same three symbols, and mid-spin that link widens to three reels, four, or all five.
Clone enough of them and the ways count stops being theoretical. A full five-reel sync fills all fifteen positions with a single symbol, which is 243 ways paying at once. Land that with Zeus, the top symbol at 15x, and the result is 3,645x, the ceiling of the whole game. Everything else Evoplay built here is deliberately thin: eleven symbols, one wild, 96% RTP, high volatility, and bets from 0.10 up to 75.
Theme & Design
The setting is a hillside terrace on a bright afternoon. Pale marble columns wrapped in grapevine, clusters of purple grapes hanging down the shafts, hazy blue mountains and mint-green trees off in the distance. Behind the reels sits a patch of navy storm cloud, and that is about as much thunder as the art gives. No rain, no lightning forking across the sky. For a game carrying this name, that is odd restraint.
The reels are five tall stone tablets under a carved cornice. Royals are chiselled into them as low-relief letters in the same pale grey as the stone behind, so A, K, Q and J read as texture more than as symbols. The premiums are painted plaques and they are the good part: a white-bearded Zeus on gold, a blue-haired goddess in gold armour with a feathered collar against violet, a crowned figure in a red cape on crimson. Below them come creature crests on shields, a horned brown ox and a green face that is Medusa in all but name. When reels sync they flare white-gold edge to edge, the clearest visual signal in the game and the only moment it raises its voice.
Symbols & Paytable
| Symbol | Payout |
|---|---|
| Zeus | 2x / 5x / 15x for 3/4/5the only symbol above the 6x tier; a full five-reel sync of Zeus is the 3,645x max win |
| Goddess | 1x / 2x / 6x for 3/4/5 |
| Crowned god in red | 1x / 2x / 6x for 3/4/5shares the second tier with the Goddess |
| Four creature crests | 0.3x / 0.7x / 2x for 3/4/5ox, Medusa and two elemental beasts, all on one pay tier |
| A, K, Q, J | 0.1x / 0.3x / 0.7x for 3/4/5carved into the stone reels; all four pay the same |
| Wild | substitutes for every paying symbolreels 2 to 5 only, never reel 1; no multiplier, no payout of its own |
Features & How They Work
Sync Reels
Sync Reels runs on every single spin, with no trigger and no cost. Before the reels drop, at least two adjacent ones are linked into twins carrying identical symbol strips. During the spin those twins widen into triplets, quadruplets, or a full quintuplet spanning all five reels. Where the block sits is random too, so the pair lands on reels 1 and 2 one spin and reels 4 and 5 the next. Linked reels glow gold, which makes the shape of a spin half readable before it stops.
Why a deep sync pays so hard
Ways wins here multiply by instance count rather than by line. The payout is the symbol coefficient times the bet times how many copies of that symbol sit on each contributing reel, all multiplied together, so a spread of 1x2x2x1x1 gives 4 ways. A two-reel sync barely moves that number. A four or five reel sync detonates it: five tablets showing three Zeus each is 3x3x3x3x3, so 243 ways at 15x, and 3,645x is exactly where that lands. The max win is not a jackpot draw or a bonus payout, it is the arithmetic finishing.
The wild
One wild, and it never appears on reel 1. Reels 2 through 5 only, standing in for all eleven paying symbols, with no multiplier attached and no line pay of its own. Since leftmost coverage is what starts every ways win, a wild cannot rescue a dead reel 1, which quietly limits how often it saves a spin. Where it earns its keep is inside a synced block, because one wild lands copied across every linked reel at once.
No free spins, no bonus buy
There is no bonus round to reach. No scatter, no free spins, no wheel, no purchase option to shortcut anything. Sync Reels and the wild are the entire feature set, and the game stays in its base mode from the first spin to the last.
Screenshots

How Temple of Thunder Plays
Sessions are flat with sudden steps. A sync is guaranteed, so small wins land often enough that the balance ticks down rather than falling off a cliff, but the pay values are so low that most of those ticks are worth less than the spin that produced them. Five royals across a synced pair returns 0.7x per way with the ways count usually in single digits. That is not a win, that is a refund.
The tension is short and blunt: the second the reels start and how many of them lit up becomes visible. Two is nothing. Three is worth watching. Four or five and the spin is decided before the symbols resolve, which is a rush the first few times and a shrug by the hundredth. No meter fills, no near miss to argue with, nothing accumulates between spins. High volatility here means long stretches of shallow syncs on cheap symbols while everything rides on whether a deep sync ever lands on a symbol worth copying.
Autoplay probably suits it better than spinning by hand, honestly. There are no decisions to make and the pace is quick.
Pros & Cons
Pros
- Sync Reels fires on every spin, so nothing has to be waited for or triggered
- The 3,645x ceiling comes out of base-game math instead of a locked bonus round
- Linked reels glow gold, making a big spin readable before the symbols settle
- Wide stake range, 0.10 to 75 per spin
Cons
- No free spins, no scatter and no bonus buy
- Symbol values are tiny: five royals pay 0.7x, five of the top symbol pay 15x
- The storm theme barely registers against a sunny hillside backdrop
- Very little variety once a five-reel sync has been seen a few times
Is Temple of Thunder Worth Playing?
Single-mechanic slots usually bury their one idea behind a trigger and make players wait for it. This one fires it every spin, which is the smartest call in the design. The problem is what surrounds it, which is nothing. A 3,645x ceiling reachable only through one lucky quintuplet is a thin proposition across a long session, and symbol values that low mean the base game never pays for the waiting.
Short bursts at small stakes is where it holds up, while watching reels fuse together still counts as novelty. Temple of Thunder II later added the layers this one lacks, which reads like Evoplay agreeing with the criticism. Four years on, the original is a neat idea that never got finished.
Frequently Asked Questions
What is the maximum win in Temple of Thunder?
Does Temple of Thunder have free spins or a bonus buy?
How does the Sync Reels feature work?
What is the RTP and volatility of Temple of Thunder?
Can Temple of Thunder be played for free, and is there an age limit?

Reviewed by Arina, PR & Content Manager
PR & Content Manager at SlotsReach
Published 2 Aug 2026 · Updated 2 Aug 2026