| RTP | 95.74% - Compare RTPs |
|---|---|
| Volatility | Medium |
| Reels | 5 |
| Paylines | 20 |
| Bet Range | £0.01 - £20.00 |
| Features | Wilds, Scatters |
Deep Sea Slot Review
Deep Sea is an underwater-themed video slot from Blueprint Gaming, running on 5 reels, 3 rows and 20 paylines. Released in May 2015, it combines a cartoon ocean setting with a shark wild that carries random multipliers, a pick-em free spins trigger and an end-of-feature multiplier round - more feature depth than many of its contemporaries at the same stake level.
The RTP is 95.74% and the volatility sits at medium, which puts it roughly where you would expect from a Blueprint title of this era: solid returns, a decent hit rate, and a feature set that can produce larger swings when the multipliers align.
Theme and Design
The reels are set against a classic deep-sea backdrop - dark blue water, coral, light filtering down from the surface. Blueprint went with a bright, cartoonish visual style rather than a realistic one, and it works cleanly: the symbol set is easy to read, the animations are fluid, and the game holds up on mobile without the rendering issues that plague more visually complex slots.
Symbol highlights include a clown fish (500 coins for five of a kind), a sea turtle (250 coins), a starfish (200 coins), an octopus, an anchor and standard card ranks filling the lower end of the pay table. The puffer fish serves as the scatter, and the shark is the top-paying wild at 10,000 coins for five. Caribbean-style background music fits the setting without becoming grating over a long session.
Shark Wild with Random Multiplier
The shark wild substitutes for all symbols except the puffer fish scatter. When a wild completes a winning combination, a random multiplier between 2x and 10x is applied to that win. The multiplier is drawn at random on each wild-assisted win, so the same combination can pay very differently depending on what lands.
This single mechanic does a lot of work. On a 20-payline grid, a shark landing on a middle reel can complete multiple lines simultaneously, and if the random multiplier comes in at the upper end, what looked like a modest win turns into something considerably more interesting. It keeps the base game engaging in a way that straight-substitute wilds often do not.
Free Spins and End-of-Feature Multiplier
Landing three or more puffer fish scatters anywhere on the reels opens the free spins pick-em. Rather than awarding a fixed number of spins, Blueprint gives you a choice: you pick one scatter from those that landed, and it reveals how many spins are in the feature. The maximum available is 50 free spins, though what you actually receive depends on the pick.
During the free spins, the shark wild continues to award random multipliers on winning combinations, the same as in the base game. The feature plays out on the same reel set with no altered pay table.
At the end of the free spins round, the game moves to a multiplier pick screen: an octopus surrounded by treasure chests. You select a chest to reveal a final multiplier - up to 12x - which is applied to your total winnings from the entire feature. Landing a high multiplier here is where the game's biggest swings originate. A strong free spins run followed by a 12x end-multiplier can produce significantly above-average returns even at moderate stakes.
Bet Range and Payouts
The minimum bet is £0.20 per spin and the maximum is £500. That is an unusually wide range for a 2015 slot and makes Deep Sea accessible to both casual players and those staking more seriously. The 20 paylines are adjustable, so lower-budget players can narrow the line count to reduce cost per spin, though this also reduces coverage.
The shark wild's 10,000-coin maximum payout for five on a line is the headline figure. Add the 2x-10x base-game wild multiplier and the up-to-12x end-of-feature multiplier, and the theoretical ceiling is substantial - though reaching both peaks in the same session involves a degree of variance that the medium classification implies.
Who Is This Slot For?
Deep Sea sits in a useful middle ground. The 95.74% RTP is above average and the medium volatility means it is not going to drain your balance through long losing runs the way a high-variance game might. At the same time, the wild multiplier and the end-of-feature multiplier give the game genuine upside that low-volatility titles rarely offer.
It suits players who want some mechanical interest beyond a flat wild-and-scatter arrangement without committing to the extended droughts that higher-variance games can produce. The £0.20 minimum makes it accessible at low stakes, and the £500 ceiling means it is viable for anyone wanting to play at higher levels.
Mobile play is clean throughout. Blueprint optimised the game well and the cartoon style renders sharply on small screens.
Blueprint Gaming
Deep Sea comes from Blueprint Gaming, a UK-based studio and subsidiary of the Gauselmann Group. Blueprint built their reputation on licensed content (including titles tied to popular IP) and a solid grasp of the UK market's expectations around volatility and feature mechanics. Deep Sea predates many of their more elaborate later titles but shows the same attention to feature structure that characterises their catalogue.
Verdict
Deep Sea holds up well for a 2015 release. The 95.74% RTP is the headline number, but the mechanical interest comes from the wild multiplier stacking with the end-of-feature pick - two layers of variance that give the game room to produce larger wins than its medium classification might suggest at first glance. The cartoon undersea aesthetic is clean rather than memorable, but it does not distract from the gameplay. If you want a solid mid-variance Blueprint slot with genuine feature depth and a wide betting range, Deep Sea is worth a session.
Deep Sea FAQs
Who makes the Deep Sea slot?
Deep Sea is developed by Blueprint Gaming, a UK-based studio and part of the Gauselmann Group. Blueprint are best known in the UK market for licensed slots and titles with layered bonus mechanics.
What is the RTP of Deep Sea?
The Deep Sea slot has an RTP of 95.74%, which is above the industry average of around 94-95%. This makes it a reasonable choice if long-term return rate is a factor in your game selection.
How many reels and paylines does Deep Sea have?
Deep Sea runs on 5 reels and 3 rows with 20 paylines. The paylines are adjustable, so you can play fewer than the full 20 if you want to reduce your cost per spin.
How do you trigger the free spins in Deep Sea?
Landing three or more puffer fish scatter symbols anywhere on the reels triggers the free spins round. Rather than awarding a set number of spins, you pick from the scatters that landed to reveal how many spins you receive - up to a maximum of 50.
What does the shark wild do in Deep Sea?
The shark is the wild symbol and substitutes for all other symbols except the scatter. When the shark completes a winning combination, a random multiplier between 2x and 10x is applied to that win, giving the base game genuine volatility beyond a standard wild.
What happens at the end of the Deep Sea free spins?
After the free spins complete, the game takes you to a multiplier pick screen where you select a treasure chest to reveal a final multiplier of up to 12x. This multiplier is applied to your total winnings from the entire free spins feature, which is where the game's largest potential returns originate.
Where to Play Deep Sea
We're currently updating our casino list for Deep Sea. In the meantime, browse our full casino reviews or check out current free spins offers.
Deep Sea RTP and Variance
Deep Sea has an RTP of 95.74%, which is around the industry average. See our highest RTP slots for the best returning games. Medium volatility offers a balanced mix of win frequency and payout size.
At the minimum bet of £0.01 per spin, a £10 deposit gives you 1,000 spins with a statistical expected return of £9.57. Read our slot betting strategy guide for tips on managing your bankroll.