Chance Machine 100 is a medium-volatility slot from Endorphina with a 5×4 reel grid, 100 fixed paylines, RTP 96.07% and a maximum win of 3,000x the stake, built around expanding wilds and a gamble feature.
The grid runs 5 reels by 4 rows with 100 fixed paylines, wider than the classic 5×3 layout, and its wild symbols expand to cover full reels once triggered.
Chance Machine 100 Slot Review — Endorphina
Chance Machine 100 is a slot released by Endorphina on 07.07.2020, built on a 5×4 reel grid rather than the standard 5×3 layout, which lets its 100 fixed paylines cover more symbol combinations per spin. This wider grid is combined with expanding wild symbols, a scatter trigger, and a classic double-or-nothing gamble round applied to every win.
Core Gameplay Experience
Instead of adjustable lines, the game uses a fixed cost per spin that covers all 100 ways a combination can land. Bets range from 1.0 to 50.0 per spin, a range wide enough to run low-stake sessions or scale up without switching games. Visually the reels carry a classic casino set — card suits, bells, gems, a crown and red sevens — rather than a licensed theme, which keeps the focus on the paytable and the gamble round instead of narrative bonus content.
Features and Mechanics
Wild symbols substitute for regular paying symbols across the grid, and in Chance Machine 100 they carry an expanding mechanic: a wild landing on a reel can grow to cover the full reel height before the spin resolves, turning a single wild hit into several paying lines at once. Scatter symbols, however, trigger independently of the payline structure. A gamble feature is available after a win, offering a double-or-nothing style round for players who want to risk a payout for a larger return instead of collecting it outright.
RTP, Volatility and Payout Model
Chance Machine 100 runs at a theoretical return to player of 96.07% with a medium volatility profile, meaning wins land more often than in high-volatility games but individual payouts tend to be smaller relative to the stake. That 96.07% figure sits in the 61st percentile of the 4,486 slots in our catalog with a published RTP, against a catalog median of 96% — a figure on the firmer side of the range rather than an outlier. A maximum win of 3,000x the stake is higher than 51% of the 3,514 slots in our catalog with a published max win, where the usual ceiling runs around 2,500x. For a medium-volatility game, the practical read is a payout pattern of frequent smaller returns punctuated by occasional larger hits RTP is a theoretical value measured over a very large number of spins, not an outcome promised on any single session.
Similar Endorphina Slots — Comparison
| Game | RTP | Volatility | Paylines |
|---|---|---|---|
| Chance Machine 100 | 96.07% | Medium | 100 |
| Chimney Sweep | 96.07% | High | 10 |
| Almighty Sparta | 96.09% | High | 10 |
| Almighty Sparta Dice | 96.09% | High | 10 |
| Chance Machine 40 | 96.06% | Medium-high | 40 |
| 100 Zombies Dice | 96.03% | Low | 100 |
| 2016 Gladiators | 94.76% | High | 21 |
Across this group the RTP spread runs from 94.76% up to 96.09%, and Chance Machine 100 ranks 6th of 55 Endorphina titles with a published RTP in our catalog, placing it just below the provider’s higher-RTP releases rather than at the top of the range.
Similar Expanding Wild Slots from Other Studios
| Game | Studio | RTP | Volatility | Max win |
|---|---|---|---|---|
| Ancient Wonders 3D | Casino Web Scripts | 94.42% | High | 1,500x |
| After Night Falls | Betsoft | 97.27% | Low-medium | — |
| African Treasure | Fazi | 96.52% | Medium | — |
| Africa Gold | Belatra Games | 91.97% | Low | — |
Of these four titles sharing an expanding-wild mechanic, After Night Falls carries the highest published RTP at 97.27%, while Africa Gold sits at the low end of the group at 91.97%.
The expanding-wilds mechanic interacts directly with the 100-fixed-payline structure: because every payline is already active, a single reel filling with wilds can complete several lines in one resolution rather than one. Running the demo for a few dozen spins is a reasonable way to see how often that full-reel expansion actually triggers before committing real stakes.
How to Play Chance Machine 100 Online
The demo version of Chance Machine 100 runs with the same reel grid, paylines and feature set as the real-money mode, so it is a way to see the expanding wild and gamble round in action before staking anything. Endorphina titles run at 136 casinos in our catalog, including KatsuBet, Golden Star and Cashy, and the game sits within the wider slots category alongside other Endorphina releases on the Endorphina provider hub. Players drawn to its card-suit and crown symbol set can also browse the Classic Slots & Retro theme, and the gamble round itself belongs to a wider group of slots with a gamble feature. A broader free-play option sits in the full slots demo catalogue.
Verdict on Chance Machine 100
Chance Machine 100 fits players who want a steady, medium-volatility session built around a wide 100-line grid rather than a small number of high-stakes bonus triggers, and who are comfortable using the gamble round selectively rather than by default. It is less suited to players chasing large multipliers on single spins, since its 3,000x ceiling and medium-volatility profile favor frequency over size; those players are better served by the higher-volatility titles in the comparison table above.
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Chance Machine 100 – FAQ
What is the RTP of Chance Machine 100?
Chance Machine 100 has a theoretical return to player of 96.07%, a figure calculated over a very large number of spins rather than guaranteed in any single session.
Is Chance Machine 100 high volatility?
No. Chance Machine 100 runs a medium volatility profile, meaning wins tend to land more frequently than in high-volatility slots, typically at smaller individual amounts.
What is the maximum win in Chance Machine 100?
The maximum win in Chance Machine 100 is 3,000x the stake, reachable through combinations involving the expanding wild symbols across the 100 fixed paylines.
Does Chance Machine 100 have free spins?
The game's published feature set covers expanding wilds, scatter symbols and a gamble round rather than a free spins bonus.
Can I try Chance Machine 100 for free?
Yes, the demo mode reproduces the same 5×4 reel grid, 100 paylines and feature set as the real-money version, letting players see the expanding wild mechanic without staking funds.
- 16.10.2026 — Verified: RTP 96.07%, medium volatility




