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Casiku Casino

CASIKU CASINO

Deposit £50 Get 50 Wager-Free Spins On The Big Bass Splash Slot

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£50 min deposit
18+. New players only. Opt-in required. Min. deposit £20. Welcome Offer is 50 wager free spins on Big Bass Splash when wagering min. £50 on slots by 23:59 GMT on day of first deposit. Free spins must be used within 72hrs. Winnings from free spins credited as cash funds and capped at £50. Cash funds are immediately withdrawable. Affordability checks apply. Terms apply. BeGambleAware.org T&C's Apply
Betfred Casino

BETFRED CASINO

200 Free Spins on selected games (10 days, 20/day)

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£10 min deposit
Casino Terms - New customers only. Opt In required. £/€10 min stake on Casino slots within 30 days of registration. Max bonus 200 Free Spins on selected games credited within 48 hours. Free Spins expire after 7 days. iOS app restrictions may apply. Email/SMS validation may apply. Not available in NI. Full T&Cs apply.Terms & Conditions Apply T&C's Apply
Playzee

PLAYZEE

100% up to £25

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£20 min deposit · 10x wagering
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Dream Vegas

DREAM VEGAS

Deposit £20 Get 50 Spins On The Big Bass Splash Slot

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£20 min deposit · 10x wagering
18+. New players only. Min. deposit £20. Max. bonus bet is £5. Welcome Offer is 50 free spins on Big Bass Splash on your first deposit and 50% match up to £50 on your 2nd deposit. To claim the free spins you also need to wager a minimum of £10 of your first deposit on slots. Free spins must be used within 72 hours. Winnings from free spins credited as cash funds and capped at £100. Bonus funds expire in 30 days, subject to 10x wagering. Affordability checks apply. Terms apply. BeGambleAware.org. T&C's Apply
Slotnite

SLOTNITE

Deposit £20 Get 500 Wager-Free Spins

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£20 min deposit
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Unibet

UNIBET

Deposit £30 Get 300 Spins On The Big Bass Splash Slot

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£30 min deposit · 10x wagering
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Under the Sea

Play at Unibet
RTP 96.40%
Volatility Medium
Provider Betsoft
Reels 5
Paylines 30
Play Under the Sea at Unibet Play Now View All Sites

Under the Sea Specifications

SoftwareBetsoft
Game typeVideo slot
ThemeUnderwater & Ocean
RTP96.40%
VolatilityMedium
Reels5
Paylines30
Max Wager (per line)5
Bet range0.02 – 2.50
Max multiplier1,600×
Hit frequency54.51%
Paylines typeFixed
SymbolsWild Symbol, Scatter Symbol
Bonus featuresFree Spins
MechanicsPaylines
ModifiersMultiplying Symbols
Progressive JackpotNo
Practice PlayYes
AutoplayYes
Becky M.By Becky M. | Updated 13 November 2024

Under the Sea is a 5 reel, 30 payline video slot from Betsoft.

Becky M.
Founder & Editor-in-Chief at Slotfruit

Rebecca (Becky) Mosley has been at the heart of the UK online gambling industry since 2008 – making her one of the most experienced voices in the space. She founded Take Marketing Limited and built SlotFruit.co.uk into one of the longest-running independent casino comparison sites in the country.

As editor-in-chief, Becky brings a genuine player-first perspective to everything on the site. She personally oversees every casino review and slot guide, making sure readers get straight-talking, honest information rather than marketing fluff. Her approach has always been the same: transparency, fair bonus terms, and responsible gambling above all else.

Over 17 years in the industry, Becky has built deep expertise across UK Gambling Commission licensing, slot game mechanics, bonus structures, and the constantly evolving regulatory landscape. She works directly with operators and software providers to keep every listing accurate and up to date.

Becky is a Companies House registered director (Take Marketing Limited, company no. 07619813) and is based in Lincolnshire, England.

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