- Turbo spin
- Gamble feature
- Scratch game
- Below-average RTP
- No free spins
Contents
Introduction
Any Matrix Studios slot is worth a look, especially if you are not familiar with games by this developer. Playing free slots is a good way of getting to know a game and you can do this right here at Slots Temple. In our Reef Adventures slot review, we will look at the features of the game that are familiar from other Matrix creations and any that stand out as different.
Reef Adventures has four reels and five rows with a large number of cluster win combinations. This form of winning ways is becoming more widespread, even though conventional fixed paylines still find favour in popular online casino games such as the Starburst slot from NetEnt.
The minimum bet size for this online slot is 2.00 and the maximum is 100. There are 12 regular symbols: the Reef Adventures logo, starfish, seahorse, jellyfish, anglerfish, puffer, clownfish, crab, royal gramma, yellow strip, lionfish and yellowfin. There are no special symbols.
Theme, graphics and soundtrack
The deep ocean is well presented and features the dark blue background and strange-looking life of the ocean floor. Lots of small creatures fly around the screen behind the reels, which have no frame and are simply bubbles containing the icons. It all looks rather good.
There is no music, just perky sound effects of bubbling and popping accompanied by cheeky animation that is fun to watch.

Reef Adventures RTP and variance
The RTP of Reef Adventures is 95.67 per cent, which is below average, and its volatility is low.
How to play the Reef Adventures online slot
- Winning combinations are in clusters of at least three identical symbols on adjacent reels or connected horizontally or vertically but not diagonally.
- To choose your bet level, click the three dots. This gives you a slider that you move left for a lower bet and right for a higher one. Alternatively, you can select the options shown in the boxes.
- You can also enter the autoplay settings in this menu and can pick any number of autospins from 1 to 100. You can flag the autoplay mode to exit on any win, on a bonus win, and if a single win exceeds a set amount. The mode can also be configured to end if your balance falls or increases by an amount you specify. Exit auto mode by clicking the main play button to stop.
- Click the turbo button to shift into fast play mode.
- To the top left of the three dots menu is the scratch button. When you select this, the reels will be replaced with a scratchcard. For more details on this feature, see below.
- Click the large circular arrow to set the reels spinning.
- When any wins occur, the winning symbols are removed and all other symbols cascade downwards by one position.
- We encourage everyone to play online slots responsibly. We support safe gaming initiatives and would remind you that you shouldn’t wager more than you can afford to lose. We recommend playing all online slots as free slots, at least in the first instance. You will find self-exclusion and timeout functions in your account and you should stop playing at an online casino when the fun stops.
Bet sizes and paytable wins
The bet size ranges from 2.00 to 100.
The paytable shows the payouts for clusters of 3 to 20 matching symbols. The highest payouts, which are for clusters of 20, are as follows:
- Reef Adventures logo = 3,400
- Starfish = 1,700
- Seahorse, jellyfish = 1,360
- Anglerfish, puffer = 1,020
- Clownfish, crab, royal gramma, yellow stripe = 510
- Lionfish, yellowfin = 170
Reef Adventures bonus features
Gamble
You can choose to gamble after every win. Whenever you land a winning combination, click the dice symbol and choose ‘collect’ to keep the money or ‘continue’ to attempt to double your win. If you guess the correct playing card, you win. You can continue to gamble until you lose or you have gambled five times.
Scratch
The scratch symbol in the settings menu launches the scratchcard game. You will see the current contents of the scratch pot at the top of the screen. The card has 18 boxes. To play, click the start button, which turns into a magic wand. You can either click the wand to clear all the coverings or use the mouse or your finger to rub away the covering of each square in turn. The aim is to find three matching symbols. Click the cross to return to the main game.
Reef Adventures review: our verdict
As is common with slots from Matrix Studios, there are a couple of interesting features in the form of the scratchcard game and the gamble. There are no other bonus games or free spins, but it is reasonably varied and worth a look.
Disclaimer: Reef Adventures trademark / license is owned by Matrix Studios. This site is not endorsed by Matrix Studios.
| Slot Name: | Reef Adventures |
|---|---|
| Software: | Matrix Studios |
| RTP: | 95.67% |
| Volatility: | Low volatility |
| Paylines: | 4 |
| Reels: | 4 |
| Min Bet (all lines covered): | £0.20 (GBP) |
| Max Bet: | £100 (GBP) |
| Top Win: | 3400 |
| Features: | Clusters, Gamble, Low volatility, 4 Reels |
| Themes: | Sea life |
| Last Update: | 31/07/2022 |
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No. :maker does not have a UKGC license and cannot offer their games at UK licensed casinos. |
FAQs
What is the RTP of Reef Adventures?
The RTP of Reef Adventures is 95.67 per cent. RTP means return to player. The game maker calculates the average percentage that might be won during a session of play. Your total winnings will often be lower than the amount you have wagered.
What is the volatility of Reef Adventures?
The volatility level is low. Volatility, also called variance, tells you the general frequency and size of the payouts in online slots. In high variance games, wins will tend to be bigger but infrequent; in lower variance games, the wins are smaller but land more often.
Is there a way to outwit the computer and win at Reef Adventures?
No, both paid and free slots are governed by random number generators whenever you play at an online casino. You can’t influence the results in any way.
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