Play Secrets of Atlantis Online

Secrets of Atlantis is a NetEnt video slot released on 24 August 2016 with an underwater lost-city theme. Secrets of Atlantis uses a 5x4 reel layout, 40 fixed paylines and wins evaluated from both sides of the grid. Its feature set centres on highlighted middle reels, Colossal Symbol Re-Spins and wild mermaids that nudge into full view.

Secrets of Atlantis Game Overview

Secrets of Atlantis presents five reels and four visible symbol positions on each reel. Secrets of Atlantis evaluates its fixed paylines from left to right and from right to left, so a qualifying line can begin at either outer edge.

Secrets of Atlantis replaces a conventional free-spins round with a re-spin mechanic built around reels 2, 3 and 4. Secrets of Atlantis can merge those three reels into one large reel during the feature, while stacked Nudge Wilds can expand their visible coverage.

Secrets of Atlantis Key Game Details

Secrets of Atlantis has the following principal specifications:

• Developer: NetEnt
• Release date: 24 August 2016
• Game type: Video slot
• Theme: Underwater Atlantis
• Layout: 5 reels x 4 rows
• Paylines: 40 fixed lines
• Win direction: Left to right and right to left
• Main mechanics: Highlight Feature, Colossal Symbol Re-Spins and Nudge Wilds
• Colossal symbol size: 3x4
• Maximum win: 1,600x the stake
• RTP at Wildz: 97.07%
• Volatility at Wildz: Medium, rated 5 out of 10
• Developer bet range: 0.20 to 200.00 in the game currency
• Jackpot: None
• Demo play: Available
• Supported formats: Desktop and mobile

Secrets of Atlantis is served by Wildz with an RTP of 97.07%, medium volatility and demo play enabled. Secrets of Atlantis players should still check the in-game information panel because the permitted stake range and other operating conditions can differ by casino and market.

How Does Secrets of Atlantis Work?

Secrets of Atlantis pays line combinations across 40 fixed paylines on its 5x4 layout. Secrets of Atlantis checks those combinations in both directions, allowing a line to form from reel 1 towards reel 5 or from reel 5 towards reel 1 under the paytable rules.

Secrets of Atlantis uses random reel results to determine the symbols, highlighted positions and feature events in each game cycle. Secrets of Atlantis does not make a future win more likely after a losing sequence, and changing the stake does not force a Highlight Feature or Nudge Wild outcome.

Secrets of Atlantis Win Both Ways

Secrets of Atlantis applies Win Both Ways to all 40 paylines. Secrets of Atlantis can therefore evaluate matching symbols from either side of the reel set rather than limiting every line to a left-edge start.

Secrets of Atlantis still requires each result to satisfy the paytable for its chosen direction. Secrets of Atlantis Win Both Ways increases the directions in which a line can qualify, but it does not guarantee that a paid spin will produce a win.

Secrets of Atlantis Highlight Feature and Colossal Symbol Re-Spins

Secrets of Atlantis can randomly highlight symbols on reels 2, 3 and 4 during any spin. Secrets of Atlantis triggers a Colossal Symbol Re-Spin when all three middle reels are highlighted, merging them into one reel that displays a 3x4 Colossal Symbol.

Secrets of Atlantis can award another Colossal Symbol Re-Spin if the entire merged reel is highlighted during the feature. Secrets of Atlantis does not let the player select highlighted positions or compel a retrigger through a betting pattern, because both events are generated by the game system.

Secrets of Atlantis Nudge Wilds

Secrets of Atlantis uses stacked mermaid wilds that may stop partly or fully in view. Secrets of Atlantis nudges a partially visible Nudge Wild up or down until it covers the complete reel, where it substitutes according to the paytable.

Secrets of Atlantis also applies the nudge behaviour to a partially visible Colossal Stacked Wild during a Colossal Symbol Re-Spin. Secrets of Atlantis can thereby cover the merged middle reel with wild positions, but the appearance and placement of that symbol cannot be predicted or controlled.

Secrets of Atlantis RTP

Secrets of Atlantis has an RTP of 97.07% in the MGA configuration served by Wildz. Secrets of Atlantis RTP describes the modelled return across a very large number of game cycles rather than the result of one session.

Secrets of Atlantis can produce a short-term return far above or below the stated percentage. Secrets of Atlantis players should use the information panel to confirm the active figure before staking money, since RTP is not a promise that any particular balance will be recovered.

Secrets of Atlantis Volatility

Secrets of Atlantis has a Wildz volatility rating of 5 out of 10, which places it in the medium band. Secrets of Atlantis can mix non-winning rounds and lower line pays with less frequent feature-led results.

Secrets of Atlantis volatility measures how payouts are distributed, not when the next payout will occur. Secrets of Atlantis does not become due for a Colossal Symbol Re-Spin or a large line win after a run of unsuccessful spins.

Secrets of Atlantis Maximum Win

Secrets of Atlantis has a developer-listed maximum payout of 1,600x the stake. Secrets of Atlantis presents this figure as the technical upper limit of the game rather than an ordinary or expected return.

Secrets of Atlantis requires an exceptional reel result to reach its maximum. Secrets of Atlantis maximum-win potential does not alter the probability of any individual round, and most outcomes will finish below the published ceiling.

How to Play Secrets of Atlantis in the United Kingdom

Secrets of Atlantis can be played through a casino that holds the required Gambling Commission permission and carries the NetEnt title. Secrets of Atlantis players should complete the operator’s age and identity checks, open the paytable, choose a permitted stake and start a game cycle.

Secrets of Atlantis is subject to Great Britain’s statutory online slot limits at licensed operators. Players aged 18 to 24 can stake no more than £2 per game cycle, while players aged 25 and over have a £5 maximum; these limits took effect on 21 May 2025 and 9 April 2025 respectively.

Can You Play Secrets of Atlantis on Mobile?

Yes, Secrets of Atlantis can be played on compatible smartphones and tablets. Secrets of Atlantis is listed in both the desktop and mobile Wildz catalogues, and its 5x4 reels, paylines and re-spin features adapt to supported screens.

Secrets of Atlantis mobile play uses the same random game logic when the same configuration is loaded. Secrets of Atlantis touch controls change how a round is started but do not improve the probability of a win or trigger a feature on demand.

Can You Play Secrets of Atlantis for Free?

Yes, Secrets of Atlantis has demo play enabled by Wildz. Secrets of Atlantis demo mode uses virtual credits so the Win Both Ways lines, Highlight Feature and Nudge Wild behaviour can be inspected without staking deposited funds.

Secrets of Atlantis demo results have no cash value and do not predict later real-money outcomes. A Gambling Commission-licensed operator must verify a customer’s age before providing access to free-to-play gambling games on its website.

Secrets of Atlantis in the United Kingdom

Secrets of Atlantis may be supplied by British online casinos that hold the appropriate Gambling Commission licence and offer the NetEnt game. Secrets of Atlantis players must be at least 18 years old, pass the required checks and remain within the applicable per-cycle stake cap.

Secrets of Atlantis is listed by Wildz internationally, while Wildz states that United Kingdom visitors are redirected to partner casinos. A player should confirm the final operator on the Gambling Commission public register before depositing rather than treating a game listing as proof of British licensing.

United Kingdom Rules for Secrets of Atlantis

Secrets of Atlantis real-money play in Great Britain is regulated by the Gambling Commission when supplied by a licensed remote casino operator. Secrets of Atlantis customers must have their age and identity verified before gambling, with name, address and date of birth forming the minimum identity information.

Secrets of Atlantis players must be 18 or older to gamble online. Secrets of Atlantis is also covered by the online slot stake limits that distinguish customers aged 18 to 24 from those aged 25 and over.

Secrets of Atlantis players should distinguish Great Britain from the whole United Kingdom when applying Gambling Commission rules. The Gambling Commission regulates gambling in England, Scotland and Wales, while Northern Ireland operates under a separate legal framework.