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BGaming · Slot Review

Slot Machine — Full Review & Free Demo

3.6/5
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RTP
97.00%
Volatility
Average
Max Win
2,124x
Provider
Reels
3
Paylines
5
Bet Range ($,€,£)
0.10 - 80
Rating
3.6/5
Released
Dec 2023

Slot Machine Slot Overview

Slot Machine from BGaming is a proper throwback to the golden age of one-armed bandits. Built on a compact 3x3 grid with just 5 paylines, it takes you back to the 1950s with a blue, neon-tinged layout and classic casino symbols. I quite liked the nostalgic vibe, honestly. Bets run from 0.10 up to 30, and the whole thing plays with very high volatility and a generous 97% RTP.

Now, the main hook here is the Bonus Game with Sticky Coins and respins. Land 3 or more Bonus symbols and they stick in place while you get 3 respins to collect more. Each new Coin resets the counter. The more you grab, the higher your multiplier goes, all the way up to x2124. There is also a Buy Bonus option if you fancy skipping the base game entirely.

Bonus Game and Buy Feature

Landing 3 or more Coin symbols on any spin triggers the Bonus Game. Those Coins become sticky and you receive 3 respins. Every time a fresh Coin drops in, the respins reset back to 3. Your multiplier climbs based on how many Coins you manage to collect, starting at x3 and going up to x2024. That multiplier gets applied to your bet, and the total is paid when the round finishes.

Can't be bothered waiting? The Buy Bonus button lets you jump straight in. The price adjusts automatically with your bet size, which is handy. I found the base game a bit bare between triggers, so having that option is decent if you want more action. Just keep in mind the very high volatility; your balance can drain fast if luck isn't on your side.

Bonus Buy Options

Bonus Buy Bonus Game
Bonus Game
3+ Bonus symbols become sticky and trigger 3 respins. Each new Coin resets the respins counter. Collect more Coins for higher multipliers ranging from x3 to x2024, applied to your bet at round end.
Bonus Buy Buy Bonus
Buy Bonus
Purchase direct entry to the Bonus game at a price shown on the button. Cost adjusts automatically when you change your bet.

Symbols and Paytable

Classic symbols fill the reels here. Think cherries, bars, sevens; proper old-school stuff on a dazzling blue background. With only 5 paylines on a 3x3 grid, wins need to line up neatly. The hit frequency sits somewhere around 8-12%, so do not expect constant payouts. Most of your excitement comes from the Bonus Coin symbols rather than the regular paytable.

Symbol Payouts

icon 1
3x100
icon 2
3x50
icon 3
3x20
icon 4
3x4
icon 5
3x4
icon 6
3x4
icon 7
3x4
icon 8
3x1
icon 9
Bonus

RTP, Volatility and Max Win

At 97% RTP, Slot Machine is well above the industry average, which is a proper plus. Volatility is rated very high by BGaming, so expect long dry spells broken up by the occasional decent hit during the Bonus Game. The max win caps at x2124 your stake, which translates to around 212,400 in currency at maximum bet.

Honestly, a x2124 ceiling feels a bit modest for a very high volatility slot. Many games in this volatility bracket offer 5,000x or more. Not everyone will mind, but if you are chasing life-changing payouts, this probably is not the one. For a quick, retro session with solid RTP though, it does the job.

Ryan Cole’s Verdict

Final Verdict

Slot Machine is a neat little retro slot that does exactly what it says on the tin. The 97% RTP is excellent, and the Sticky Coins respin mechanic gives you something to look forward to during every session. I enjoyed the nostalgic feel and the simplicity of it all.

My one gripe is that the max win feels a touch low for the volatility level, and the base game can feel empty with so few paylines. But if you want a quick, uncomplicated spin with a decent Buy Bonus shortcut and fair return, it is worth a go. Proper old-school fun, just with a modern twist.
3.6
★★★★☆
out of 5
✓ Pros
Excellent 97% RTP, well above average
Bonus Buy lets you skip to respins
Sticky Coins build multipliers up to x2124
Simple 3x3 grid, easy to pick up
Nostalgic retro theme done properly
✗ Cons
Very high volatility, base game can drag
Only 5 paylines, wins feel sparse
Low hit frequency at around 8-12%
Max win of x2124 is modest for high volatility
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
View All Reviews →
Slot Machine FAQ
How does the Bonus Game trigger in Slot Machine?
Land 3 or more Bonus Coin symbols anywhere on the 3x3 grid. They become sticky and you get 3 respins. Each new Coin that lands resets the respin counter back to 3.
What multipliers can you get during the Bonus respins?
Multipliers range from x3 up to x2024, depending on how many Coins you collect. The multiplier is applied to your total bet and paid out when respins end.
How much does the Buy Bonus cost in Slot Machine?
The exact cost adjusts automatically based on your current bet size. It lets you skip the base game and jump straight into the Bonus Game with sticky respins.
Why does the provider page list both x2024 and x2124 as max win?
The multiplier within the Bonus Game goes up to x2024, but the overall max win including base game payouts reaches x2124 your stake, which is roughly 212,400 at max bet.
Is Slot Machine suitable for casual low-stakes sessions?
With a minimum bet of 0.10 and a simple 3x3 layout, it works well for casual play. Just keep the very high volatility in mind; your balance can swing quite a bit even at low stakes.