Ethan Grand: Mayan Diaries Slot Review
by EvoplayReleased Nov 22, 2022
Free demo - play instantly in your browser
3D adventure instant game where treasure hunter Ethan Grand navigates Mayan temple traps. Pick safe paths through 5 levels, then crack a lock in the bonus for up to 61x.

Specifications
| Game Type | Instant Win |
|---|---|
| RTP | 96% |
| Volatility | Medium |
| Max Win | 61x |
| Min Bet | $0.1 |
| Max Bet | $3000 |
Ethan Grand: Mayan Diaries Slot Overview
A treasure hunter walks into a Mayan temple and every few paces he has to choose a door. Pick right and the money doubles. Pick wrong and the round is over, immediately, with nothing.
That is the entire game. Evoplay built this as an instant game, not a slot, so there are no reels, no paylines and no spin button anywhere on it. Three carved tablets float in front of Ethan Grand, you point him at one, and the temple either lets him through or it doesn't. Five clean picks in a row run the ladder from x1.92 to x30.72, and only a full five-round streak opens the bonus at the end.
It is the second outing for the character, and the rest of the Ethan Grand line follows the same idea: a small risk game wearing a full 3D adventure costume.
Theme & Design
The camera sits behind Ethan the whole time, close enough to catch the sheepskin collar on his leather jacket and the satchel swinging at his hip. He is a stock adventurer with grey jeans, work boots and dark swept-back hair, and his face barely moves. The rooms do the acting instead. One round drops him in a scaffolded workshop where a huge stone mask stares out of the back wall and a cracked block catches a shaft of daylight; the next opens onto a jungle ravine with a waterfall, monstera fronds crowding the path and an idol carved into the cliff face. Green, red and blue crystals glow at the edges of every scene, and they are about the only bright thing in a palette of mud, moss and torchlight.
Dark is the word for it. Some rooms are dim enough that the three glowing tablets read more clearly than the space around them, which is either good signposting or an art problem depending on your mood. The multiplier bar across the top stays thin and translucent so it never fights the 3D, and the whole treasure-hunting adventure package holds together far better than the flat, cheap art most instant games settle for.
Features & How They Work
Three tablets, one way forward
Each round puts three carved stone tablets in the air in front of Ethan. Pick one. The right tablet walks him deeper into the temple and lifts the win to the next rung; a wrong one ends the round and the stake is gone. The ladder is fixed at x1.92, x3.84, x7.68, x15.36 and x30.72, so every step you survive is a straight doubling of what came before. Five steps is the whole run. A shuffle button picks for you, which changes nothing about the odds but saves the pretence of reading glyphs.
Collect, or keep walking
After every correct pick the Collect button lights up and the current multiplier is yours to bank. Nothing pushes you onward. This is the only decision the game asks and it is the one that matters: banking x7.68 on the third rung is a result, and the x30.72 at the end costs two more risks to reach. Collecting ends the run, and the next round starts back down at x1.92.
The lock room
Win five rounds in a row and the bonus opens automatically at the stake used on the fifth. Ethan finds a chest sealed behind a five-circle lock and gets three keys to work it. Each circle he opens moves a second multiplier along x0.4, x0.8, x1.2, x1.6 and x2.0, applied to what he carried in. Keys break. Break all three and the bonus pays nothing at all. Look at where that ladder starts: the opening rungs sit below x1, so a lock only part-way open shrinks the main-game win instead of growing it. There is no cashing out once the door shuts, and a perfect x2.0 on top of a perfect main run is where the x61.44 ceiling comes from.
Timeline and shifting locations
A timeline across the top fills as rounds are won and pays out rewards at milestones, and the game remembers which location you reached between sessions. In practice the temple keeps unfolding rather than resetting to the same corridor: workshop, ravine, vault, overgrown clearing. It is progression for its own sake rather than extra money, but it is why round forty looks nothing like round one.
Hash verification
Every round is committed to a SHA-256 hash before you choose, and that hash sits behind a button on the left edge so it can be checked after the fact. Rare outside crypto casinos, and more transparent than a game that just quotes you an RTP figure and asks for trust.
Screenshots

How Ethan Grand: Mayan Diaries Plays
Nothing moves until you click. No autoplay rhythm, no spin button to hammer, no ten rounds passing while you look at your phone. Ethan walks a few paces between picks and the camera swings with him, and those couple of seconds of animation that charm you at round three are dragging badly by round thirty.
The tension is honest, at least. Sitting on x7.68 with the fourth tablet in front of you is a proper decision, and when a run dies it dies flat: no near-miss theatre, no consolation, just the temple again at x1.92. Most runs end on the second or third step, which is what a gamble ladder dressed as an expedition does to you. Getting to the lock room at all is uncommon enough that it registers as an event.
Bet sizing is the quiet trap. The stake you set at round one is the stake riding into the bonus at round five, untouched, with no way to scale down once a good streak is running.
Pros & Cons
Pros
- Full 3D locations that change every round, well above what the instant-game category usually gets
- Collect-or-continue puts real control over risk in the player's hands
- Every round is hash-verified and checkable afterwards
Cons
- x61.44 is a small ceiling for a five-step risk ladder
- The bonus multiplier ladder starts below x1, so a half-opened lock cuts into what the main game earned
- The loop repeats fast once the novelty of the temple wears off
Is Ethan Grand: Mayan Diaries Worth Playing?
Evoplay spent the budget on the temple, not the maths. As a piece of 3D work it is nice to look at, the location changes keep it from staling too fast, and the character animation is a cut above the category. Underneath, though, it is a five-step doubling gamble with a lock puzzle bolted on the end, and the top prize is small by any standard a slot player is used to.
What it does well is hand the player something to actually decide, which is worth more than it sounds after a few hundred rounds of autoplay elsewhere. Anyone coming here expecting reels will find it strange and will probably be done inside ten minutes. This second Ethan Grand game is a better-looking product than it is a rewarding one.
Frequently Asked Questions
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Reviewed by Arina, PR & Content Manager
PR & Content Manager at SlotsReach
Published 1 Aug 2026 · Updated 1 Aug 2026