Quick answer
Deep Sea Mafia is a Backseat Gaming slot (2026) with 96.01% RTP, high volatility and a 50,000x max win. It uses paylines with expanding wilds, multipliers and free spins. RTP can vary by casino.
Key specs
- RTP
- 96.01%
- Volatility
- High
- Hit frequency
- 15.84% (about 1 in 6.3 spins)
- Max win
- 50,000x
- Grid
- 5×5
- Pays
- Paylines
- Released
- 23 June 2026
- Jackpot
- None
Not published by the provider: bet range
Top-rated casinos (check the game is available)
We haven't confirmed which partner carries this game.
- Aurivo Casino100% up to $1,000 + 200 Free Spins30x bonusGet 200 spins + 100% at Aurivo Casino (opens in new tab)
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Key terms
18+. New customers only. Min deposit $20. 30x bonus wagering requirement. Max bet $5 while wagering. Free spins on Book of Dead at $0.20 per spin. Spins credited in daily batches of 20 over 10 days. Offer valid 30 days. Full T&Cs apply. Please gamble responsibly.
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Key terms
18+. New customers only. Min deposit $20. No wagering on winnings. Free spins on Big Bass Bonanza at $0.10 per spin. Offer valid 7 days. Full T&Cs apply. Please gamble responsibly.
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18+. New customers. Min dep $50. 40x bonus wagering. Max bet $10. 60 days. Full T&Cs apply.
Key terms
18+. New customers only. Min deposit $50. 40x bonus wagering requirement. Max bet $10 while wagering. Cashback: 10% of net casino losses each week (Monday to Sunday), paid as cash with no wagering every Monday, up to $500 a week. Offer valid 60 days. Full T&Cs apply. Please gamble responsibly.
Game availability varies by casino and country.
Themes:
How to play Deep Sea Mafia (members only)
Wins are paid when matching symbols land on an active payline, usually left to right starting from the leftmost reel. Your total stake is spread across the lines, and each line win is the line bet multiplied by the symbol's paytable value.
Deep Sea Mafia is played on a 5×5 grid with paylines.
- Set your stake. Choose your total bet per spin. Wins are paid as multiples of this stake.
- Check the paytable. Open the game's info screen to see what each symbol pays and the exact rules for this version.
- Spin. Each spin's result is decided by a certified random number generator, independent of previous spins.
- Trigger the bonus. Land the required scatter symbols to start the free spins feature.
The full Deep Sea Mafia guide: how winnings work, 3 features and 4 strategy tips
- Your stake plan: a $50 budget → about $0.17 a spin (high volatility)
- What 96.01% RTP costs per $100 wagered: $3.99 on average
- 3 features explained: expanding wilds, multipliers, free spins
- Stake plans for $20 to $250 budgets
- 4 RTP versions compared: 96.01%, 94.01%, 92.01%, 90.01%
- 4 slots with the same style and a higher RTP (up to 99%)
- Strategy tips and a session planner for Deep Sea Mafia
Free · no card · 18+ only
Never sold · export or delete any time · What do members get?
How winnings work (members only)
What 96.01% RTP costs per $100 wagered, the 50,000x max win at a $1 stake
The top prize is capped at 50,000x your stake. On a $1 spin that is $50,000; on $0.20 it is $10,000. When the cap is reached the round usually ends immediately.
Multipliers are applied to wins as they land; in many games several multipliers add together or multiply each other, which is where the largest wins come from.
What 96.01% RTP means
Expected return = stake × 96.01%
Over $100 of total bets, the long-run average loss is $3.99
RTP is a long-run average across millions of spins. Any single session can finish far above or below it, especially on a high volatility game.
The published hit frequency is 15.84%, meaning roughly one spin in 6.3 returns something — though many of those wins are smaller than the stake.
Features explained (members only)
3 features explained: expanding wilds, multipliers, free spins
Expanding wilds
When an expanding wild lands, it grows to cover its whole reel, turning one symbol into a full column of wilds.
Multipliers
Multipliers increase a win by a set factor, such as 2x or 10x. They can be attached to symbols, applied to a whole spin, or grow during a feature, and are a main driver of the biggest wins.
Free spins
A bonus round of spins played at no cost to your balance, usually triggered by landing three or more scatter symbols. Wins during the round are added to your balance, and many games let you retrigger extra spins.
Strategy tips (members only)
- Size your stake to the volatility. High volatility concentrates the return in rare, large wins. Long losing runs are normal. Keep stakes small (around 1% of your session budget or less) so you can ride out the swings. A simple rule: bring at least 300 spins' worth of budget, so a $50 budget suggests a stake of about $0.17.
3 more tips and a session planner
- Check which RTP version you're playing. Backseat Gaming offers this game at 96.01%, 94.01%, 92.01%, 90.01%. Open the game rules at your casino and prefer sites running the 96.01% version.
- Bonus wagering: at 96.01% RTP, clearing $1,000 of wagering costs about $39.90 on average. Check the bonus terms, as some casinos exclude specific games. Run your numbers in the wagering calculator.
- Set limits before you spin. Decide your loss limit and session time in advance and stop when you reach either. No pattern or betting system changes the outcome of a spin.
More on this in slot RTP and volatility explained and bankroll management.
Does it fit your budget? (members only)
Stake plans for $20 to $250 budgets
For high volatility we suggest a budget of at least 300 spins. This is what that means for Deep Sea Mafia.
| Budget | Stake a spin | Bet range | Average cost of 300 spins |
|---|---|---|---|
| $20 | $0.07 | Bet range not published | $0.80 |
| $50 | $0.17 | Bet range not published | $1.99 |
| $100 | $0.33 | Bet range not published | $3.99 |
| $250 | $0.83 | Bet range not published | $9.97 |
Averages only: a short session can end far above or below them. Set a loss limit before you play.
RTP versions (members only)
4 RTP versions compared: 96.01%, 94.01%, 92.01%, 90.01%
Backseat Gaming supplies Deep Sea Mafia in 4 RTP versions and each casino chooses which one to run. Over $1,000 of bets, the 90.01% version costs about $60 more on average than the 96.01% version.
| Version | Average cost per $100 wagered | Extra vs best |
|---|---|---|
| 96.01% (best) | $3.99 | — |
| 94.01% | $5.99 | +$2 |
| 92.01% | $7.99 | +$4 |
| 90.01% | $9.99 | +$6 |
Open the game's rules or info screen at your casino to see which version it runs.
Seen a different version at a casino? How member RTP reports work
Same style, better RTP (members only)
4 slots with the same style and a higher RTP (up to 99%)
Slots with the same mechanic (paylines) and volatility (high) as Deep Sea Mafia, with a higher published RTP. Casinos can still run lower versions of any of them.
Mega Joker99% RTP · +2.99 pts
Jackpot 600098.9% RTP · +2.89 pts
Three Musketeers98.18% RTP · +2.17 pts
Wizards Want War!98.1% RTP · +2.09 ptsQuestions
Frequently asked questions
Who makes Deep Sea Mafia?
Deep Sea Mafia is developed by Backseat Gaming and was released in 2026.
What is the RTP of Deep Sea Mafia?
The default RTP of Deep Sea Mafia is 96.01%. Backseat Gaming also supplies versions at 94.01%, 92.01%, 90.01%, so check the game's info screen at your casino.
Is Deep Sea Mafia high volatility?
Deep Sea Mafia is rated high volatility. High volatility concentrates the return in rare, large wins.
What is the max win on Deep Sea Mafia?
The maximum win on Deep Sea Mafia is 50,000x your stake, which is $50,000 on a $1 spin.
Can I play Deep Sea Mafia for free?
Not on GambGenius at the moment: we don't list an official Backseat Gaming demo of Deep Sea Mafia.
Does Deep Sea Mafia have a bonus buy?
No bonus buy is listed for Deep Sea Mafia in the sources we checked.
Where this data comes from
- backseatgaming.com Provider
- slotslaunch.com Slot database
Specs come from the provider's own site and 1 independent slot database. Casinos can run lower-RTP versions, so always check the game rules before you play.
Game artwork © Backseat Gaming, shown to identify the game.
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