Mermaids Millions by Microgaming -- RTP 94.5% Honest Review 2026
Microgaming · Payline · Released 0
96.56%RTP
MediumVolatility
7,500xMax Win
MicrogamingProvider
fantasyTheme
Released 0
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NewPlayer2024aNew Member
Joined Jan 2024 · 12 posts · Wed 28th Feb 2024
Opening this thread to share my experience with Mermaids Millions by Microgaming. Official RTP: 96.56% (very good). Volatility: Medium. Max win: 7,500x. Key features: Free Spins,Scatter. Happy to share session results below -- please add yours.
Mermaids Millions — Data Summary & UK Player Guide
RTP 96.56%Volatility MediumMax Win 7,500xBuy Bonus Not availableReleased 2020+
Mermaids Millions carries a verified RTP of 96.56% — rated very good for its category. At £1 stake playing 300 spins per hour, the expected hourly cost is approximately £10.32 based on the published return rate. This is a long-run mathematical average — individual sessions vary significantly due to the medium volatility profile. Full RTP guide ›
Medium volatility delivers balanced sessions — Mermaids Millions offers a mix of regular smaller wins and occasional larger hits. A reliable everyday choice for most UK players.
Volatility guide ›Features: Free Spins,Scatter. Theme: Fantasy. Mechanic: Payline. Developer: Microgaming — all games UKGC certified. Verify at gamblingcommission.gov.uk.
Community score: 7.8/10 based on verified UK player sessions. Reflects bonus trigger frequency, average bonus quality, and overall session satisfaction — not promotional materials. See also: more Buy Bonus Slots • all Microgaming slots.
Community Session Reports & Discussion
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NewPlayer2024aNew Member
Joined Jan 2024 · 12 posts · 6th Mar 2024
Hacksaw Gaming standardised at around 70-80x stake for feature buy. Nolimit City use xBet at 2x cost to increase free spin potential. These are different cost structures worth understanding before use.
W
WatchingFirstNew Member
Joined Aug 2024 · 14 posts · 29th Feb 2024
Best value buy bonus for UK players: look at the cost multiplier relative to natural hit frequency. A 40x buy on a slot that triggers every 80 spins naturally offers better value than 100x on a slot that triggers every 60 spins.
I
IvanTryingNew Member
Joined Mar 2025 · 15 posts · 29th Feb 2024
Buy bonus feature costs 100x the base stake on most Pragmatic Play slots. On Gates of Olympus that's £100 for a £1 stake. The bonus round has the same RTP as triggering naturally (96.5%) -- you're not buying better odds, just skipping the wait.
P
PatriciaTrialNew Member
Joined Oct 2025 · 29 posts · 29th Feb 2024
Is buy bonus worth it? The EV is neutral -- 100x stake for a feature that would cost you roughly 100 spins (at £1 each) to trigger naturally. The difference is pure variance. Some sessions you'd trigger it in 20 spins, some in 300. Buy bonus removes that variance.
M
MegawaysMarkExpert
Joined Feb 2018 · 5,234 posts · 1st Mar 2024
UKGC rules: buy bonus features are restricted to players who have not opted into additional gambling controls. Some casinos disable them entirely. Always check if the feature is available before selecting your stake.
B
BTGBrendanExpert
Joined Jul 2018 · 3,089 posts · 1st Mar 2024
Wanted Dead or a Wild buy bonus: 70x stake. Below the 100x industry standard. At £2 stake that's £140 for a bonus round that starts with 3 free spins. Can be incredibly lucrative or disappoint -- volatility is extreme.
F
FrankNolimitSenior Member
Joined Jun 2021 · 623 posts · 1st Mar 2024
Hacksaw Gaming standardised at around 70-80x stake for feature buy. Nolimit City use xBet at 2x cost to increase free spin potential. These are different cost structures worth understanding before use.
P
PeterPlaynGOSenior Member
Joined Sep 2020 · 712 posts · 1st Mar 2024
Best value buy bonus for UK players: look at the cost multiplier relative to natural hit frequency. A 40x buy on a slot that triggers every 80 spins naturally offers better value than 100x on a slot that triggers every 60 spins.
E
EthanElkFanRegular
Joined Jan 2023 · 145 posts · 2nd Mar 2024
Buy bonus feature costs 100x the base stake on most Pragmatic Play slots. On Gates of Olympus that's £100 for a £1 stake. The bonus round has the same RTP as triggering naturally (96.5%) -- you're not buying better odds, just skipping the wait.
S
SteveStickyWildRegular
Joined Jun 2023 · 167 posts · 2nd Mar 2024
Is buy bonus worth it? The EV is neutral -- 100x stake for a feature that would cost you roughly 100 spins (at £1 each) to trigger naturally. The difference is pure variance. Some sessions you'd trigger it in 20 spins, some in 300. Buy bonus removes that variance.
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Thread Stats: 1,520 views · 11 replies · Last active 6th Mar 2024
Frequently Asked Questions
What is the RTP of Mermaids Millions?
Mermaids Millions has an RTP of 96.56%. This is rated as very good for this type of slot. RTP is calculated over millions of spins and does not guarantee individual session results.
What is the volatility of Mermaids Millions?
Mermaids Millions is Medium volatility. This means less frequent wins but larger payouts when they hit, with significant session variance.
What is the max win on Mermaids Millions?
The maximum win on Mermaids Millions is 7,500x times your stake. This requires optimal conditions during the Free Spins,Scatter feature.
Who makes Mermaids Millions?
Mermaids Millions is made by Microgaming. All their games are certified for UK players and available at UKGC licensed casinos.
Is buy-bonus-slots safe to play at UK casinos?
All casinos discussed on VideoSlotsGames are UKGC licensed. UKGC licensing requires mandatory player protections including deposit limits, self-exclusion and GamStop integration.
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