Chance Machine 40 Dice Slot Review
by EndorphinaReleased Dec 2, 2024
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Chance Machine 40 Dice is a luxury classic-dice slot from Endorphina rendered entirely in golden gemstone dice, a 5x4, 40-line game with an expanding lightning-bolt wild and two scatter-pay symbols, topping out at a 3,000x max win.

Specifications
| Game Type | Slots |
|---|---|
| RTP | 96.06% |
| Volatility | Medium-High |
| Max Win | 3,000x |
| Grid | 5x4 |
| Paylines | 40 fixed paylines |
| Min Bet | $0.4 |
| Max Bet | $80 |
Chance Machine 40 Dice Slot Overview
A tray of golden dice on burgundy velvet, and that is the whole idea. No story, no characters, no bonus round waiting at the end of a scatter hunt. Chance Machine 40 Dice is Endorphina doing classic Vegas furniture with much better lighting.
The 5x4 grid runs 40 fixed lines, paying left to right from reel one. What carries it is the Wild on the middle three reels, which expands to fill its reel, plus two separate Scatter symbols that pay from any position and add their wins on top of the line wins. RTP is 96.06%, volatility medium-high, the ceiling 3,000x, and bets run from 0.40 up to 80.
This one is the middle child of a family. Chance Machine exists at 5, 20, 40 and 100 lines, each with a dice re-skin, all sharing the same skeleton.
Theme & Design
Everything on the reels is a die. Fat gold cubes tilted so two faces show at once, pips cut as coloured gemstones in gold, ruby red, sapphire blue and emerald green, with pink stones scattered down the visible side faces. They sit inside a polished gold frame with glowing rails running down both edges, against a deep maroon velvet backdrop that never changes. The gold is laid on thick.
The premium faces break the pattern. There is a red die carrying a curling gold 7, and a red-and-gold die stamped with a lightning bolt that likes to arrive in tall stacks down the centre. The Wild is a pale frost-white cube with a tiny red slot cabinet on its face, which reads instantly against all that warm metal. Scatters flare red light behind a gold star.
The weak point is the four low tiers. Same golden cube four times over, separated only by pip colour, so on fast spin the grid turns into an undifferentiated gold blur and wins register before the eye catches up.
Symbols & Paytable
| Symbol | Payout |
|---|---|
| Wild (frost-white die) | substitutes for every symbol except the two Scattersreels 2, 3 and 4 only, expands vertically to fill the reel |
| Star Scatter | around 100x the bet for fivepays from any position and lands on all five reels |
| Mask Scatter | scatter pay from any positionrestricted to reels 1, 3 and 5 |
| Red 7 die | top line payhighest paying regular symbol |
| Gem-pip dice (gold, red, blue, green) | low to mid line paysfour tiers separated only by pip colour |
Features & How They Work
Expanding Wild on reels 2, 3 and 4
The Wild exists on the three middle reels and nowhere else. When one lands it expands vertically to cover its entire reel, then substitutes for everything except the two Scatters. Since reel one is never wild, a wild-assisted win still needs a matching symbol on the leftmost reel first, which quietly caps how often the expanding wilds turn into something large. Cover two or three middle reels on the same spin and the 40 lines do the rest.
Two Scatters, both paying from anywhere
The Star Scatter is the bigger of the pair, worth roughly 100x the bet for five, and it lands on any reel. The Mask Scatter pays less and only turns up on reels 1, 3 and 5. Neither of them triggers anything; they are pay-only symbols. Their wins get added on top of whatever the paylines produced on the same spin, so one grid can pay twice.
Risk Game
Any win can be pushed into Endorphina's card gamble. Pick a colour, double it or lose the lot, repeat until nerve runs out. It has been bolted onto every Endorphina title for years and behaves identically here. It is also the only lever available for turning a 3x line win into something bigger, and it takes back as readily as it gives.
Screenshots

How Chance Machine 40 Dice Plays
The rhythm is flat by design. Forty lines across a 5x4 grid means small wins land often, most of them below the stake, and a balance drifts downward in a slow steady line rather than falling off a cliff. Nothing accumulates. No counter fills, no meter climbs, no near-miss teases a round that might be coming, so a session has no shape beyond the individual spin.
That leaves all the tension in one place: the middle three reels. Watching for that pale cube is the entire game, and when two land together the grid can pay across a dozen lines at once. Those spins arrive often enough to keep things moving, though reaching anywhere near the ceiling probably wants a full wild reel and the red 7s arranged around it, which is a rare bit of luck.
Turbo is worth switching on. At default speed the animation between spins outlasts the interest.
Pros & Cons
Pros
- Expanding Wilds cover three of the five reels, so they land often enough to matter
- Two Scatter types pay from any position and stack on top of line wins
- 96.06% RTP with a wide 0.40 to 80 bet range
- Clean, legible 5x4 layout and a fast turbo spin
Cons
- No free spins, no bonus round, no buy feature
- The four low dice differ only by pip colour, making the grid hard to read at speed
- 3,000x is a modest ceiling for a game with nothing to build toward
Is Chance Machine 40 Dice Worth Playing?
Endorphina has built this game at four line counts now, and 40 is the size where pace and price sit right: enough lines that something lands most spins, few enough that a win still feels like a win. The gold-on-velvet art is better than the format strictly needs, and the expanding Wild earns its keep.
Against that, the ambition stops at the frame. Anyone who has spun the 20 or 100-line version already knows precisely what happens here, since the only things that changed are the line count and the fact that the symbols are dice now. At 96.06% it is fair, and 3,000x is honest about what it is (nobody is mistaking this for a lottery ticket). It simply runs out of new information fast.
Frequently Asked Questions
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Reviewed by Arina, PR & Content Manager
PR & Content Manager at SlotsReach
Published 31 Jul 2026 · Updated 31 Jul 2026