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1 Reel Reef Slot - Review, Free & Demo Play

1 Reel Reef
1 Reel Reef
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Updated: 22.07.2025
Reviewed by: Fabio Duarte
1 Reel Reef is a fun and addictive slot from Spinomenal with only 1 reel. An unusual solution from a well-known provider immediately aroused the interest of gamblers from all over the world literally on the day of release, which took place on 05/07/2022. In this article, we have collected all the important information about 1 Reel Reef to make it easier for you to learn the slot. Below you will find a demo version of the game available to all our readers for free.

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In this review
  1. Slot details
  2. Theme
  3. Bonus Rounds and Free Spins
  4. Summary
  5. Where to play
General information about 1 Reel Reef slot

General information about 1 Reel Reef slot

Rating by Fabio Duarte:
7
User’s Rating: (based on  reviews):
5.5
Spinomenal
Write a review +25 SJ points
  • Release Date:
    05.07.2022
  • Volatility:
    High
  • RTP:
    91.5%
  • Multiplier:
    No
  • Max. win:
    500x
  • Bonus game:
    No
  • Free spins:
    No
  • Scatter Symbol:
    No
  • Wild symbol:
    Yes
  • Symbol Stacked:
    No
  • Jackpot Game:
    No
  • Slot lines:
    1
  • Slot reels:
    1
  • Layout:
    1-1
  • Stakes range (€/£/$):
    0.01 to 10
  • Slot Theme:
    Water world
  • Technology:
    JS, HTML5
More infoLess info

Licensed and tested by

  • Gambling Comission
  • MGA
  • ONJN

How to Play

You can play 1 Reel Reef like this:

  1. Open the slot on smartphone or PC
  2. Wait for it to finish loading
  3. Place a bet between €0.01 and €10
  4. Click on "Start" to spin the reel

There are no traditional lines in the game, but there are 3 pay symbols. Each of them has a separate meter. It gradually fills up when the corresponding symbol appears on the reel as a result of the spin. With each filling stage, a certain bet multiplier is activated. At the same time, all winnings go into the bank. If you take money from it, the progress of the counters reset.

On the control panel of the slot, you can select the size of the bet, as well as turn off or turn on the soundtrack. There is also the Collect button, with which the winnings are transferred from the bank to your balance. In the lower right corner, there is the "?" button that opens the paytable.

1 Reel Reef RTP and Volatility

6.4 
The RTP of the slot is 91.55% and the volatility is high.

Return To Player is the theoretical percentage of bets that should be returned to the player after a very long gaming session. The value of this indicator is often overestimated, but 91.55% is still too low. Typically, in modern games, the RTP is about 96%, less often - 94%. The reduced RTP may indicate the provider's uncertainty that the game balance is set correctly.

At the same time, the rules of the game do not exactly specify the volatility indicator. According to our observations, it is high. Typically, this volatility value means that the prizes in the game will not appear too often.

Theme

8 

The graphic design of the game conveys the atmosphere of the underwater world quite well. The playing field is located at the bottom of the reservoir, which is slightly enlivened by bubbles rising. The rest of the elements of the slot look rather poor. In general, the design of the slot does not make a very optimistic impression.

The soundtrack of the game is also far from perfect. During the rotation of the reels, a cheerful Hawaiian melody sounds, but it is too intrusive and monotonous. In our opinion, the soundtrack should be turned off as soon as possible.

There are 3 payment symbols in the slot – the Starfish, Clownfish and Seahorse. There is also the Wild. It is counted as all three symbols at the same time and replenishes all three meters. The last element of the game is the Crab. It resets progress on all counters. According to our observations, the Crab appears in the game most often.

Theme
1 reel reef slot - paytable

Mobile Compatibility

Mobile Compatibility
It’s as easy to play the mobile version of the slot as it is in the browser. The slot supports any modern portable operating system.

About Spinomenal

Spinomenal is a major provider that has been developing games since 2014. The main goal of the company is to create a variety of content on the most unexpected topics. At the same time, the provider is engaged in the mass development of slots with standard game mechanics.

Bonus Rounds & Free Spins

6.9 

There are no usual bonus rounds like free games. Since the slot has only 1 reel, the developers had to come up with something new.

Progressive Symbol Wins

If any of the 3 pay symbols appear on the grid, the corresponding meter is replenished. With each step of the meter, the win multiplier also increases. For example, on the first level of the Starfish, you will receive a payout with a 1x bet multiplier. On the second one, it will grow to 2x and so on, up to 12x bet.

The best multipliers are given by the Seahorse. At the first level of the meter, the player can take the winnings with a 10x bet multiplier. This indicator rises to 250x at the top level of the meter for this symbol. But that's not all. If you manage to fill three meters, you get a jackpot of 500x bet.
1 reel reef slot - feature

However, do not forget about resetting progress. The ubiquitous Crab can appear at any moment and cancel all your achievements. The rules of the game say that a good result can be shown if you take the winnings after reaching the first step of the Seahorse meter. This will deprive you of a possible jackpot, but will significantly reduce costs.

1 Reel Reef Demo Play

If you have never played such games, use the demo of the slot. It is located on this page and is available to every guest of our site for free.

Max Win

6.5 

Maximum win — 500x bet.

It is quite simple to replenish meters in the game. The desired symbols appear on the grid relatively often, and the win multipliers are really good. However, the Crab does not sleep. Don't forget about it and it won't bring you much disappointment.

Overall Rating

7
1 Reel Reef is a really good slot that might need more work. The RTP level here is extremely low to hope for big prizes. So just play for fun. At the very least, the slot is truly unlike the others.
Hits
Unusual mechanics
Wilds
Misses
No bonus rounds
High volatility

FAQ

What is the Return to Player (RTP) rate of 1 Reel Reef?

The RTP of the title is 91.55%.

Can I Earn Real Cash Prizes in 1 Reel Reef?

Yes. It is possible after registering on the website of any online casino.

Does the 1 Reel Reef slot have a jackpot?

Yes. The jackpot in the game is 500x bet.

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Fabio Duarte
Fabio Duarte
Expert in: News, Blog, Slot reviews, Payments
Fabio is a young writer with +6 years of experience in gambling & betting. Fabio creates professional reviews of casino and slots. Every single article Fabio made exhibits deep analytical skill and comprehensive coverage of a topic. It’s Fabio – one of the leading authors on slotsjudge.com.

2162 articles

Reviewed by Editor-in-Chief
Nikita Lukanenoks

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Overall rating

Based on 2 reviews

5.5/10
Sloto Toto own avatar
Sloto Toto
6 lvl Superstar
7
Winning: €5
Multiplier: x26
A tricky one-liner, where you must find the balance between risk & rewards.
The slot is about building a cumulative and then cashing out in the right moment. Not that easy of task, especially if u lack patience and self-awareness. IMO, the best strategy here should cashing out 8 of 10 x10 wins, and risk on 2 other series. Pareto principle in action!
It’s easy to losing ur mind here, especially with that funny atmosphere. Be cautious and rational here.
Review image 1290-0
10.08.2022
Primstan own avatar
Primstan
6 lvl Superstar
4
Winning: €5
Multiplier: x26
1 Reel Reef is a slot that has 1 reel... Captain obvious on duty. Yet another one reel slot, that lacks design, atmosphere and feature. Aside of that you will certainly feel pressure of making a decision whether you should or shouldn't collect the win you have already accumulated. Be ready to witness some dead spins, with no wins and be ready to lose even 1x bet size you have already collected. Slots like these are just horrible and pointless. The rtp is crazy low and it is made to drain money
Review image 1158-0
22.07.2022
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