Secrets of Atlantis Review

Joe Napier
April 27, 2026
Secrets of Atlantis

Release Date

Aug 24, 2016

Provider

NetEnt

RTP

97.07%

Volatility

Medium

Max Win

1,600x

Hit Frequency

20.3%

Min Bet

0.2

Max Bet

200

Secrets of Atlantis by NetEnt is a mythology‑tinged underwater video slot that brings the fabled city of Atlantis to life. The game delivers a medium volatility profile with a 1,600x max win ceiling, supported by feature-driven gameplay built around Nudge Wilds and Colossal Symbol Re-Spins. Its structured feature set and Win Both Ways mechanic give it more depth than a standard 5‑reel slot. Always ensure you play Secrets of Atlantis at a licensed UK casino, especially those known as best payout casinos, where the displayed RTP and game information are transparent and up to date.

Casinos Where You Can Play Secrets of Atlantis in the UK

Key Secrets of Atlantis Facts

FeatureInformation
Release Date24/08/2016
ProviderNetEnt
ThemeMythological, Atlantis, Underwater 
Reels & Rows5×4
Paylines/Ways40 fixed, Win Both Ways 
Volatility ScoreMedium – ★★★☆☆ 
UK RTP Version97.07% 
Global Max RTP97.07% 
Min/Max Bet (UK)£0.20 – £200.00
Max Win1,600x stake
Hit Frequency23% (approx. 1 in 4.35 spins)

RTP Transparency: The official Secrets of Atlantis RTP is 97.07%, which is higher than the typical online slot benchmark of around 96%. This figure is set by the provider, and reputable UK casinos will clearly display the RTP in the paytable or game info section.

Feature Compliance: The game does not include “Turbo” or “Slam Stop” features and adheres to contemporary UKGC requirements around minimum spin times and player‑controlled gameplay.

Stake Limit Context: At game level, Secrets of Atlantis supports bets from 0.20 up to 200.00 per spin, with UK‑facing casinos able to apply their own stake caps based on local regulations and safer‑gambling policies. Players should always check the on‑site bet range, as operators may restrict the maximum stake below the technical ceiling.

Responsible Gambling Integration: With medium volatility and frequent feature engagement, bankroll management remains essential. Players should make use of deposit limits, reality checks, time‑outs and other safer‑gambling tools offered by UK‑licensed casinos to keep sessions controlled.

Fairness & RNG: Secrets of Atlantis runs on a certified Random Number Generator (RNG), meaning each spin is independent and outcomes cannot be predicted or influenced. Licensing and testing arrangements are handled at the platform level, so you should always choose UKGC‑licensed casinos where independent labs audit the games regularly.

First Impressions: Theme, Graphics & Soundtrack

Secrets of Atlantis uses an underwater theme with detailed 3D‑style visuals set against the ruins of Atlantis. The reels are filled with stacked sea creatures and glittering gemstones, while a mysterious mermaid wild hovers at the centre of the action. The soundtrack blends ambient ocean sounds with subtle orchestral swells, intensifying during Colossal Symbol Re-Spins without becoming intrusive. Sound effects are crisp and clearly communicate near‑misses, wins and feature triggers, and the overall interface is uncluttered across both desktop and mobile.

Base Game Mechanics & Payouts

The slot operates on a 5×4 reel matrix with 40 fixed paylines that pay both left‑to‑right and right‑to‑left thanks to the Win Both Ways mechanic. All symbols appear stacked, which means even modest spins can connect multiple lines when the reels align.

High‑value symbols are represented by coloured treasure gems and a pearl‑filled seashell, while lower‑value symbols are stylised sea creatures such as jellyfish, turtles and crabs. The top standard symbol (the clam with a pearl) can deliver a strong payout when landing five of a kind across a line, with the overall max win for the game capped at 1,600x your stake.

A Closer Look at the Bonus Features for Secrets of Atlantis

Secrets of Atlantis is built around three core mechanics: the Highlight Feature, Nudge Wilds and Colossal Symbol Re-Spins. During any spin, the Highlight Feature can randomly mark positions on reels 2, 3 and 4; if all three central reels are fully highlighted, a Colossal Symbol Re-Spin is triggered. Reels 2, 3 and 4 then merge into a single 3×4 reel that displays Colossal Symbols, dramatically increasing the chance of multiple line hits.

The mermaid Wild is stacked and can land partially or fully on a reel; if it lands only part‑way, the Nudge Wild mechanic nudges it into place to fill the entire reel. During Colossal Symbol Re-Spins, a Colossal Stacked Wild can also appear, and if it lands partially in view it is nudged to cover the entire merged reel, creating strong win potential across many paylines at once. There are no traditional free spins, multipliers or bonus‑buy options here, but the re‑spin sequences act as the main bonus experience and hold a significant share of the slot’s win potential.

From the Player’s Mouth: Real Experiences & Expert Advice

Player Sentiment: Players often highlight the relaxing pace and atmospheric presentation, noting that the stacked symbols and Win Both Ways mechanic can produce satisfying line clusters even without massive single hits. Feedback frequently mentions the Highlight Feature and Colossal Symbol Re-Spins as the main sources of excitement, since a single triggered re‑spin can link multiple paylines simultaneously.

Expert Tips for Volatility:

  • Tip 1: Allocate a bankroll that comfortably covers at least 150–200 spins so you have a realistic chance to experience several Highlight Feature triggers and Colossal Symbol Re-Spins.
  • Tip 2: Keep your bet size consistent rather than chasing losses, as the game’s medium volatility and 23% hit rate reward steady play instead of aggressive stake jumps.
  • Tip 3: Consider sessions where you step away after a strong Colossal Symbol Re-Spin run, as a large portion of the game’s top‑end potential is concentrated in those sequences.

Secrets of Atlantis Mobile Performance

Secrets of Atlantis runs on HTML5 architecture, ensuring compatibility with modern smartphones and tablets across iOS and Android. The interface reflows cleanly in both portrait and landscape orientations, with buttons sized for touch input and key controls kept within thumb reach. Animations and Nudge Wild movements remain smooth on mobile hardware, and loading times are generally quick provided you have a stable connection.

Pros & Cons of Secrets of Atlantis

Pros

  • High 97.07% RTP, comfortably above industry average.
  • Win Both Ways system and stacked symbols enable frequent line hits.
  • Engaging Highlight Feature with Colossal Symbol Re-Spins and Nudge Wilds.
  • Clean UI and strong optimisation for mobile play.

Cons

  • 1,600x max win is modest compared with modern high‑volatility blockbusters.
  • No classic free‑spins bonus or Bonus Buy, which some feature‑hunters may miss.
  • As a 2016 release, visuals are slightly dated compared with the latest NetEnt titles.

Is Secrets of Atlantis Worth Your Time & Money?

Secrets of Atlantis earns a solid 8.2/10, offering a balanced experience that leans on high RTP and clever reel mechanics rather than extreme volatility. It is best suited to players who enjoy steady engagement, visually rich themes and feature bursts centred on re‑spins and stacked wilds instead of complex bonus rounds.

If you want a structured slot with reliable mechanics, a strong RTP and an immersive undersea mythology, Secrets of Atlantis is well worth a spin at a UKGC‑licensed casino where the correct RTP and stake limits are clearly verified.

Secrets of Atlantis Frequently Asked Questions

What is the Secrets of Atlantis RTP in the UK?

The official RTP for Secrets of Atlantis is 97.07%, and reputable UK casinos should display this figure in their game information.

Can I play Secrets of Atlantis for free in the UK?

Yes, many UK casinos and game lobbies offer a demo mode (where permitted) that lets you try Secrets of Atlantis without wagering real money.

What is the maximum I can win on Secrets of Atlantis?

The maximum payout is 1,600x your stake on a single spin.

Is there a Bonus Buy in Secrets of Atlantis?

No, Secrets of Atlantis does not include any Bonus Buy feature; all special features trigger organically during regular spins.

Which NetEnt slots are similar to Secrets of Atlantis?

Titles like Gonzo’s Quest and Twin Spin provide comparable medium‑style volatility and strong feature mechanics, though with different themes.

How often does a feature round trigger in Secrets of Atlantis?

The game has an overall hit frequency of 23%, meaning wins or feature‑related outcomes occur on roughly 23 out of every 100 spins on average.

Game Type

Video Slot

Technical Details

Layout

5x4

Paylines

40

Bet Range

€0.2 - €200