Chance Machine 40 Slot Review
Burgundy velvet, bevelled gold and a glowing plaque across the top: this is a cabinet that wants to sit in the back corner of a grand old casino. Endorphina have built it for players who’d rather have the money than the show. Chance Machine 40 runs a 98.06% RTP on a 5×4 grid with 40 fixed paylines, no bonus round, and a top combination of 100x for five yellow scatters. That return is rare air, and it’s the reason this cabinet exists.
Bets run from 0.40 to 80.00 per spin. The five-line Chance Machine 5 Dice ran the same lean maths in a much smaller room, and Joker Ra and Thunder Crown Dice cover similar ground in Endorphina’s catalogue.
Symbols, Paylines and the Wild
Wins are for combinations of a kind. Matching symbols need to sit on paylines and adjacent reels from the leftmost, while scatters count anywhere on the grid. Where scatters and line wins land together, both are added. Only the highest combination on each payline pays.
The wild is a crown that appears on reels two, three and four, substitutes for everything except scatters, and expands vertically to complete combinations. That expansion is the one moving part in an otherwise static reel set. A full-height crown across the middle three reels is the closest this game comes to a set piece.
Every value below is a multiple of the total bet, not the line bet:
- 7 – two: 0.25x, three: 1.25x, four: 5x, five: 75x
- Bell / Green Clover – three: 1x, four: 2.5x, five: 12.5x
- BAR – three: 0.5x, four: 1.25x, five: 5x
- Blue Spade / Red Heart / Purple Clover / Green Diamond – three: 0.25x, four: 0.75x, five: 2.5x
The 7 stands alone at the top and is the only symbol that pays for a pair. Below it the ladder steps down quickly, and the four suits prop up the table with a best of 2.5x. It’s a shallow prize structure: five 7s at 75x the bet is as rich as the line wins get.
That shallowness is deliberate. With no bonus round to feed, the whole paytable exists to produce steady small line wins, and the 98.06% return is spread across 40 lines of them rather than held back for a feature.
Forty lines over four rows also means the grid connects often. With four symbol positions per reel and a left-to-right win rule, there are simply more adjacent combinations available than a three-row layout offers.
Two Scatters, Two Jobs
There are two scatter symbols and they behave differently. The yellow scatter appears on all five reels and pays 3x for three, 20x for four and 100x for five, at any position. The white scatter lands only on reels one, three and five, and three of them pay 20x the total bet. Neither triggers a bonus round – this game doesn’t have one.
Both scatters count wherever they sit, so they don’t need to be on a payline or adjacent to each other. Where several scatters land at once, only the highest scatter combination pays, on top of any line wins from the same spin.
The white scatter is the better designed of the two. Three specific reels is a narrower ask than it sounds, and 20x for a clean sweep across reels one, three and five is a solid hit. The yellow scatter’s 100x ceiling for five is the game’s richest single combination, wilds included.
The Risk Game
After any win, a gamble option offers the chance to double it. Four cards are dealt face down and you pick one; beat the Dealer’s card and your win doubles, and you can keep going for up to 10 attempts in total. If the Dealer’s card wins, you lose the lot and the round ends.
The rules have real texture. The Joker beats every other card, and the Dealer can never draw one. A draw – matching the Dealer’s value – leaves your winnings unchanged and grants another attempt. Cards can reappear from round to round, and the deal isn’t equally distributed. TAKE WIN quits and banks whatever you’re holding.
What makes the gamble worth attention is that the odds shift with the Dealer’s card. Gambling on every round regardless returns 84% on average, worse than the base game, but your actual chances swing widely depending on what the Dealer is showing.
- Dealer shows 2 – 162% return
- Dealer shows 3 – 121% return
- Dealer shows 4 – 113% return
- Dealer shows 5 – 101% return
- Dealer shows 6, 7 or 8 – 100% return
- Dealer shows 9 – 92% return
- Dealer shows 10 – 78% return
- Dealer shows J – 69% return
- Dealer shows Q – 66% return
- Dealer shows K – 64% return
- Dealer shows A – 42% return
So the correct play is selective: gamble against the small cards, collect against anything from a 9 up. The 84% average sits outside the main RTP, which covers the reel game alone.
It’s the closest thing to a decision this machine ever asks of you. Each gamble round presents a fresh Dealer’s card, and because the four face-down options are re-dealt every time, there’s no memory between attempts – just a new calculation at a new stake.
Our Honest Verdict
Overall Rating: 6.8/10
Sitting at this burgundy table is a quiet, repetitive pleasure. You watch 40 lines connect, you collect small change, and once in a while a crown fills a middle reel or five yellow scatters land and the room lights up. The one reason to pick this machine over its plainer siblings is that return: 98.06% is rare air for any slot, let alone one dressed this handsomely.
The Risk Game is the best thing here, because the Dealer’s card turns a guess into a decision worth thinking about – gamble into a deuce, collect against an Ace. The weakness is everything around it: with no bonus round of any kind, the long stretches between decent wins are just spins, and the paytable never tops 100x.
This one belongs to players who like old machines, lean maths and the nerve to double into a deuce. Anyone who needs free spins to stay interested will find louder rooms elsewhere in Endorphina’s house.
Chance Machine 40 FAQs
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What is the RTP of Chance Machine 40?
The RTP is 98.06%, which is among the highest returns you’ll find on any online slot. This figure covers the reel game only and doesn’t include the Risk Game gamble, which has its own average return of 84%. -
How many paylines does Chance Machine 40 have?
It has 40 fixed paylines. Every spin covers all 40 lines across the 5-reel, 4-row grid, and matching symbols need to land on adjacent reels starting from the leftmost one. -
What is the grid size of Chance Machine 40?
The game runs on a 5×4 grid: five reels and four rows, with 40 fixed paylines running across them. -
What is the minimum and maximum bet on Chance Machine 40?
Bets run from 0.40 to 80.00 per spin, with all 40 lines covered on every stake. -
When is Chance Machine 40 released?
Chance Machine 40’s release date is 11 November 2020. -
Who makes Chance Machine 40?
Endorphina. The game sits in their classic-cabinet line alongside Chance Machine 5 Dice. -
What does the wild do in Chance Machine 40?
The wild is a crown that appears only on reels two, three and four. It substitutes for all symbols except the scatters and expands vertically to complete winning combinations, so it can cover an entire middle reel. -
How does the Risk Game gamble work?
After any win you can gamble it by picking one of four face-down cards. Beat the Dealer’s card and your win doubles, with up to 10 attempts in total; lose and you forfeit the winnings. The Joker beats everything and the Dealer can never draw one, while a draw keeps your winnings and grants another try. The odds depend on the Dealer’s card – from a 162% return against a 2 down to 42% against an Ace – so collecting against high cards is the smarter play.


