Underwater Treasures

Review, Demo Play, Payout, Free Spins & Bonuses

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  • Attractive, fun theme
  • Bonus round
  • 50,000x max win
  • Non-traditional style (not for everyone)
  • Difficult to reach bonus round

Underwater Treasures is an online slot made by NeoGames demo slots. It has an aquatic theme, a 4x5 game board and an instant win playstyle with no traditional paylines.


Underwater Treasures is an instant win, find the symbol-style online slot that does things differently. Without traditional reels or paylines, or even paytable, the 4x5 game board offers the chance of instant and surprise wins along with the chance of entry into its bonus round. As the game is played with tickets, you can choose to play 10 tickets and have only the middle two columns of the gameboard or play 20 tickets to activate the whole board.

The game board is comprised of bubbles which pop to reveal aquatic symbols. The fish are your instant win symbols and come with values attached showing the prize you’ll win when one is revealed.

The Surprise Shell symbols award surprise wins when they are revealed, some of which have the potential to payout decent prizes. 

Across the top of the columns, there are some symbols with meters. If the symbols appear on the game board in the denominations required to fill the meters you get entry to the bonus round where there’s more fun, and chances of multiplying your win, to be had.

Getting used to the way this game works in the demo version is a good idea before going to an online casino with real money.

Theme, Graphics & Soundtrack 

Underwater Treasures has a beautiful and entrancing aquatic theme with bright graphics and well-executed animations. The symbols are all sea creatures or shells, and the game board is made up of bubbles that pop to reveal the new symbols for each game.

The soundtrack is fun and lively without being too distracting from the game itself and there are some subtle, yet well-placed, sound effects such as when the bubbles pop which adds to the authenticity of the theme.

Underwater Treasures

Underwater Treasures RTP and Variance 

Underwater Treasures is a newly released online slot, and RTP values are not yet available. However, the RTP seems to be fairly average, and we think it would be at least 96%. Underwater Treasures is of medium variance, which is a good middle ground.

How to Play Underwater Treasures

Get popping those bubbles in a few steps:

  1. Press the hamburger menu icon in the bottom right and then the i symbol to see information about the game.
  2. You can turn audio off here if you’d like to.
  3. In the same menu, press the coins icon to set your number of tickets to 10 or 20, and set your ticket cost.
  4. Press the autoplay icon above the hamburger menu icon to set autoplay to your preferences.
  5. When you’re ready, press the start icon on the right to begin.
  6. Remember: Always gamble responsibly and set affordable limits to stick to.

Bet & Win Sizes

Underwater Treasures is played with tickets: either 10 tickets for 2 columns or 20 tickets for all 4. The ticket cost can be adjusted between a maximum amount of 0.05 and a maximum of 2.00, with the total bet being the number of tickets (10 or 20) multiplied by the selected ticket amount. Therefore, the minimum total cost of a game would be 0.50 whilst the maximum total cost would be 40.00. Some examples of total bet sizes are:

10 tickets, 0.05 ticket cost, 0.50 total bet

10 tickets, 2.00 ticket cost, 20.00 total bet

20 tickets, 0.05 ticket cost, 1.00 total bet

20 tickets, 2.00 ticket cost, 40.00 total bet

It’s worth noting that monetary values at an online casino will depend on the currency in play. Between the instant wins, the Surprise Shells and the Bonus Round, the maximum win is 500,000x your stake. The awarded winnings are ticket values and will be converted into monetary values depending on selected bet levels.

Underwater Treasures Bonus Round

The addition of the bonus round offers the opportunity to access generous multipliers of your win. The game is accessed by filling the meters above the columns with sea creatures, by having the required number of them appear anywhere on the board in the game.

You need 6 octopus, 5 stingrays, 4 turtles, 4 jellyfish, or 3 seahorses to enter the bonus round where you have a set of 5 prize tubes with multiplier values. 

Sea creatures will randomly swim up into the tubes. Swimming into a prize tube adds the prize multiplier to your total bonus prize. You will upgrade to the next level of prize tube multiplier values if a creature swims into the green ARROW tube, with prize tube values increasing up to 250x. The bonus round will end when any sea creature has swum into the red X tube 3 times, and the total multiplier will be applied to the win amount of the game from which you entered the bonus round.

Overall Underwater Treasures Review 

Underwater Treasures is a refreshing take on online slot fun and is a welcome change from the stereotypical format that most slots have. We liked the instant win aspect, as it was very easy to see how much you’d won and how it had been won but found it took a while to hit the bonus round.

The theme and graphics were delightful and very well implemented, it almost had us looking for Nemo. The colours were bright and the animations were not just visually appealing but played an important part in the game itself.

We think this slot would be ideal for players of all levels and found it easy to understand most of the rules although some may prefer a more traditional experience. Why not also try Mermaid's Millions or another of the free play slots.

Disclaimer: Underwater Treasures trademark / license is owned by Neogames. This site is not endorsed by Neogames.

Slot Data
Slot Name: Underwater Treasures
Software: Neogames
Paylines: 4
Reels: 4
Min Bet (all lines covered): £0.50 (GBP)
Max Bet: £40 (GBP)
Top Win: 50000
Features: Bonus Game, Multiplier, 4 Reels
UK Available in GB? Game is not available in GB.


What is the play style of Underwater Treasures?

Underwater Treasures is classed as an eInstant game. This means you find a symbol for an instant win.

What is the variance of Underwater Treasures?

Underwater Treasures is of medium volatility. This is a popular variance level for online slots.

Are there bonus games in Underwater Treasures?

Yes. There’s the bonus round with potentially large win multipliers.

Can I play Underwater Treasures for free?

Yes, using the demo above. In fact, it’s recommended you do this before using real cash.

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