Captain Manta

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  • Great animations
  • Fun special features
  • Dramatic music and sound effects
  • Exciting free spins feature
  • RTP below 96 per cent
  • No autoplay function

Captain Manta's Oceanic Adventures is an online slot created by Roxor. It is a fixed payline slot with 25 lines, an RTP of 95.51 per cent and medium volatility. The features include free spins and an adventure bonus.


Captain Manta's Oceanic Adventures is a 25-payline slots game from the team at Roxor. Roxor is a fast-growing slots provider with a whole host of exciting titles, many of which you can check out in our Roxor Gaming demo slots section. Captain Manta's Oceanic Adventures has a fun deep-sea theme, so expect to see submarines, weird and wonderful sea life, and a variety of intriguing characters. This is a hugely enjoyable game and the medium volatility will suit most players.

Theme, graphics & soundtrack

The game is set deep under the sea, so the symbols include submarines, navigation tools and unusual sea creatures. There are also a few character symbols. The theme is pretty original, as there aren't many other slots out there with a similar design.

As you might expect if you are familiar with any other Roxor slots, the production value is excellent. This is an extremely smooth and fast-moving slot with some great animations and special features. The graphics are flawless and the gameplay intuitive. Dramatic movie-style music plays when you spin the reels but stops between spins, with wins and the appearances of special symbols accompanied by sound effects to ramp up the excitement.

If you love the mystical deep-sea feel of this slots game, you should also check out Atlantis Megaways for a similarly themed adventure.

Captain Manta

Captain Manta’s oceanic Adventures RTP & volatility

The RTP is 95.51 per cent and the volatility is medium.

How to play Captain Manta’s Oceanic Adventures

Like all Roxor slots, this is simple to play; therefore, it is perfect for new players and seasoned gamers alike. It is a fixed payline slot with 25 active lines at all times, so you don't need to think about how many lines to bet on. All you need to do is adjust your total bet.

Step-by-step instructions:

1. After launching the game, locate the coin size display. Use the plus and minus buttons on either side of the coin display to scroll through the available coin sizes. The coin size represents the coin bet on each line, so this will always be multiplied by 25. The total bet will be displayed on the screen as you change the coins size.

2. Hit the spin button and you are off!
There is no autoplay function in this game, so you will have to manually play at all times.

To win, you need to match symbols on a payline. All wins pay from left to right, starting with the leftmost reel. For the lower-paying symbols, you will need three or more symbols on a line; for the higher-paying symbols - the wilds and the character symbols - you will need two or more symbols to form a winning combination.

Captain Manta’s Oceanic Adventures bonus features

- Adventure bonus

Three bonus symbols landing on the reels simultaneously triggers the bonus feature. The bonus symbol can only land on reels one, three and five. You will be shown submarines and asked to choose one to reveal your bonus.

- Kraken Attack

If you reveal the Kraken Attack bonus, you will be given the chance to win up to 500x your total bet! Spin the wheel to move the Kraken's tentacle and reveal bigger prizes. If you are a fan of bonuses that award multipliers of your total bet, you should take a look at some of our other games with this feature. Meanwhile, good luck hitting the top prize of 500x in the Kraken Attack feature.

- Pearl Free Spins

The other bonus feature is the Pearl Free Spins, which comes with the bonus of expanding Kraken wilds. You will be awarded nine free spins to start with, but you can win more during the feature. Special pearls may appear on the reels and you will be awarded two free spins for every three you collect. This is not all, as the reels the pearls are collected from will become active reels, meaning any wilds that land on them for the rest of the free spins will automatically expand. The free spins feature offers a great opportunity to land some decent wins.

Our verdict

We award this slot 9/10. This is a great slots game with some fun special features. Roxor always designs attractive and intuitive slots games and this is no exception. A slightly higher RTP would have boosted this game's score, as anything below 96 per cent will be too low for many players. If you are lucky enough to trigger the free spins feature and then to collect pearls at the bottom of the reels, the awarding of extra spins and the introduction of expanding wilds can make this a highly lucrative feature.


Disclaimer: Captain Manta trademark / license is owned by Roxor Gaming. This site is not endorsed by Roxor Gaming.

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Slot Data
Slot Name: Captain Manta
Software: Roxor Gaming
RTP: 95.51%
Paylines: 25
Reels: 5
Min Bet (all lines covered): £0.25 (GBP)
Max Bet: £200 (GBP)
Top Win: 200000
Features: Bonus Game, Wild Symbol, Scatter Symbol, Multiplier, Free Spins, 5 Reels
UK Available in GB? Yes. Roxor Gaming have a UKGC license and are allowed to offer their games at UK licensed casinos.


What is the RTP of Captain Manta's Oceanic Adventures?

The RTP of the game is 95.51 per cent.

How volatile is Captain Manta's Oceanic Adventures?

This is a medium volatility slots game, meaning you can expect to win small to medium prizes most of the time but larger wins are certainly possible.

What is the biggest win available on Captain Manta's Oceanic Adventures?

You can win 500x your total bet in the Kraken Attack bonus feature. The highest paying symbol is the wild, five of which will give you an impressive 1,000 coins. You can win on several lines from a single spin, so the top payouts possible will be far higher than the total awarded for a single line.

Does Captain Manta’s Oceanic Adventures have a free spins bonus round?

Yes, the Pearl Free Spins bonus round is triggered by landing three bonus symbols on reels one, three and five.

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