18+ Gambling is addictive. Play within your limits. Licence and safety
Game page · Realtime Gaming (RTG)

Megaquarium

One of the titles on the operator's “full lobby” shelf.

Megaquarium slot artwork

What it plays like

  • Aquarium Wild
  • Free Games
  • Tank Bonus

Specification

Reels and lines
5 reels, 3 rows and 50 paylines
RTP
95.3%
Volatility
Medium
Max win
3,000× the total bet
Released
2018
Studio
Realtime Gaming (RTG)

Specifications come from the studio's and RTG operators' own launch listings.

Where to play it

18+. Wagering contribution for slots is 100%; check the cashier terms.

Art, Sound and the Spectacle of Megaquarium

Megaquarium is set in a public aquarium seen through the panoramic glass, and the art commits to it hard enough that the tile in our lobby is recognisable at thumbnail size. Top of the paytable and top of the artwork, the same motif: a ray gliding along the inside of the glass. In Megaquarium that motif holds both together.

Below that the paytable runs through a seahorse, a jellyfish, a coral and a bubble, and under those sit the card ranks that fill the gaps on a quiet Megaquarium spin. The palette is aquarium blue, neon coral and glass, which is what makes the game readable at a glance in a lobby full of neighbours.

Audio is widescreen: a background loop, a distinct reel-stop, and a separate cue for the feature so you hear it before you read it. Vertically on a phone, Megaquarium drops the surrounding scene and keeps the reels with the motif on them: ray gliding along — which is exactly what matters when the symbols are eight millimetres tall.

That consistency is why the tile works at thumbnail size, and why Megaquarium does not get lost between the games either side of it.

How Megaquarium Is Built

Mechanically Megaquarium is 5 reels, 3 rows and 50 paylines, which puts it either side of the RTG norm. The ray is the top symbol, a seahorse sits under it, and the card ranks below those are what most Megaquarium spins return.

The wild here is Aquarium Wild — a shoal turns the positions it crosses wild. That is the single most important line in the Megaquarium paytable, because it is what turns a near miss into a paid line. The maximum quoted for Megaquarium is 3,000× the total bet, and that figure is reached through the features rather than on a base spin — worth knowing before you judge the game by its first fifty spins.

Free Games is the part of the paytable to read twice: up to twenty-five spins under a multiplier. So the honest way to read Megaquarium is as two games stacked: the base grid, which ticks over, and the feature, which does not.

Choosing a Stake for Megaquarium

A spin on Megaquarium costs the line bet multiplied by 50 lines. Halving the line bet halves the Megaquarium spin and every number in its paytable at the same time — the two move together. The maximum of 3,000× the total bet is quoted as a multiple for exactly this reason: it scales with your stake instead of being a fixed sum, so it means the same thing at any bet size.

This one runs medium volatility — it pays often enough to keep a session moving and hard enough now and then to be worth the wait. There is no such thing as the RTP of Megaquarium. RTG supplies a configurable return and each operator picks a setting, which makes cross-site comparisons of this number meaningless — check the info panel inside Megaquarium rather than a table on someone else's site.

Raising or lowering the stake mid-session leaves no memory behind in Megaquarium: it settles each spin independently, and a run of losses does not make the next one better priced. If you autoplay Megaquarium, set it to break on Aquarium Wild — the one moment in the game you want to be watching.

Aquarium Wild and the Rest of the Toolkit

Megaquarium carries three features, and they are where the game earns its place in the lobby rather than on the base grid.

Aquarium Wild. The paytable entry reads: a shoal turns the positions it crosses wild. Aquarium Wild is the part of Megaquarium most worth having a balance left for.

Free Games: up to twenty-five spins under a multiplier, on the 5-reel grid described above. On Megaquarium this is the difference between a flat session and one you remember, so it is worth knowing what Free Games looks like before it arrives.

Tank Bonus (pick a tank for a payout). Everything else Megaquarium does on the base grid is a preamble to Tank Bonus.

None of these fire on demand, and that is the point: Aquarium Wild is worth having a balance left for, and the rest of Megaquarium is the wait.

Practical Notes Before You Spin

Size the stake on Megaquarium so the balance covers a few hundred spins — that is roughly the window in which the game shows you what it does. A limit set before Megaquarium loads is worth more than one set at the end of a losing run; the tools for it are in your account.

Bonus play on Megaquarium is straightforward: slots clear wagering at 100%, and the detail is on the bonus page. Before staking Megaquarium, run it in practice mode until Aquarium Wild has landed at least once — that wait tells you more about Megaquarium than the paytable does.

One thing not to do with Megaquarium is chase Aquarium Wild by raising the stake after a dry run: its trigger frequency does not change with bet size, only the cost of waiting does. The responsible gaming page collects the limit tools and the independent support contacts in one place, and they apply to Megaquarium as to every other game here.

Try Megaquarium, Then Try Fishy Business Mega Cascade

In short: Megaquarium is for a game that pays often enough to stay interesting without flattening out. It sits in our lobby alongside Fishy Business Mega Cascade, which shares the corner of the catalogue and differs in pace.

Try Megaquarium and Fishy Business Mega Cascade side by side in practice mode before committing a stake to either. Start with Megaquarium if you want a game that keeps showing you something. Full specifications for Megaquarium — the 5 reels, 3 rows and 50 paylines, volatility, the top end (3,000× the total bet), the feature list and the release year — are in the table at the top of this page.

Fishy Business Mega Cascade

Ready to play Megaquarium?

An account takes a minute, and the welcome package is waiting on the first deposit. Megaquarium runs in demo mode too, if you would rather look first.

18+. Gambling has a negative expected value — play with money you can lose, and set your limits in the cashier first. More on responsible play.