Buy Megaquarium Steam Key
Megaquarium Steam Key: compare prices from 9 offers (October 2026)
A Megaquarium Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €5.60 (€6.43 with fees, -16%) at Gameseal, Steam Gift format · Cheapest official key: €7.64 (no fees) · 7 verified stores, 9 offers in stock · Updated 20min ago.
Gift cards
Steam Key
Prices change depending on the selected payment method.
Final prices with fees
How much does Megaquarium for PC cost right now?
Megaquarium for PC starts at €5.60 (€6.43 with fees) at Gameseal, a Steam gift, which is 16% under the €7.64 (no fees) it costs on the official store.
That €5.60 (€6.43 with fees) already includes the SEAL17CKD coupon, so apply it at checkout or the store will show you a higher price.
There is a cheaper listing, €4.99 (€5.91 with fees) at Gamivo, but it is a Europe key and it will not redeem on a US account however good the price looks.
Supply is thin — 9 offers from 7 stores — and thin supply keeps prices steady rather than falling.
That puts it 30% under its average of €10.99 since 2024, so today is a better entry point than most days of its life.
Steam Key
Steam Gift
Is it worth buying the Steam Key for Megaquarium now or waiting?
That €7.64 (no fees) key is at one of its best prices.
- Those €7.64 (no fees) are 34% below what it usually costs, measured on the store price.
- Only 2 stores sell the Steam Key, and with that little competition the price barely moves.
- Not counting today, only 111 days out of the 1,430 days on record were this cheap or cheaper; the lowest it has ever cost is €4.49.
Worked out from 1,877 daily records of the Steam Key for Megaquarium across 16 stores. See the full price history.
The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.
Which Megaquarium format should you buy?
By format: Steam Gift from €4.99 (€5.91 with fees), Steam Key from €7.64 (no fees) and GOG Key from €8.99 (€10.06 with fees).
Can you activate Megaquarium in US?
6 of the 9 offers work on US — the Global ones plus the ones issued for your own region.
Is Megaquarium worth it?
37 outlets reviewed it and it averages 76 out of 100, with 78% recommending it.
Most common FAQs when buying Megaquarium for PC in digital format:
Other stores may take 30–40 minutes depending on game availability. On release days, delivery times may be slightly longer.
If you notice an unusually long delay, contact the store or us, and we’ll resolve it as quickly as possible.
There have been occasions when those services were overwhelmed, which is why we also offer 24/7 customer support to help resolve any issues or questions.
In any case, we always offer a 100% guarantee, so you won’t have any problems, and if you do, we’ll resolve them as soon as possible.
Need more help? Use our FAQs.
Megaquarium
Is it worth it?
- 80/100Critics' average scoreOpenCritic · Strong
- 78%Critics recommend it37 critic reviews
- 95%Steam reviewsOverwhelmingly Positive · 3,459 reviews
- 4.0/5GoCDKeys users1 ratings →
Is it alive?
- Watching now on Twitch
- Live channels
What the press says
I really enjoyed Megaquarium, I found it refreshing to take on the challenge of designing and managing my own aquarium and it took me right... Read more
I certainly will keep on playing. A game like this that has over 95 different species that need to be curated, hundreds of objects to... Read more
A charming management game that's designed entirely for your convenience. Very easy to learn, with enough complexity to keep you entertained for hours. Read more
A charming watery theme park management game where fish are friends, not food. Until they eat each other or you forget to feed them. Read more
Despite some nitpicks with the visuals in the game Megaquarium is a great addition to any tycoon fan’s library. The transition to console feels natural... Read more
If you like management and/or simulation games and are fond of fishies, Megaquarium is the game for you! Go wild as you progress from a... Read more
Coming in at just under 20 quid this gives pretty good value for money for something that might not have massive content but it still... Read more
As a tycoon game, Megaquarium strikes a very nice balance between having too much complexity vs. not having enough depth to remain entertaining. While micromanagement... Read more
Megaquarium gives you the chance to run your own aquarium and figure out how to make fish the best thing since sliced bread Read more
Megaquarium is a casual management game that challenges a player as they progress. In fact, it is a game that is suitable for all ages... Read more
Megaquarium is a fun and enthralling tycoon game. I found there to be a deep amount of depth to each tanks ecosystem and the requirements... Read more
A few niggles aside, Twice Circled should be very proud of its charming simulation game. Although its graphics are simplistic, the game speaks for itself... Read more
Megaquarium is a fintastic game to relax and unwind with at the end of a long day. I like to couple that with some of... Read more
Megaquarium is everything you expect from a building sim the added bonus of camera movement that enhances your entire experience. Read more
Considering all of the low-quality tycoon games now on Steam, Megaquarium is definitely a breath of fresh air. It strikes a nice balance in terms... Read more
Although it feels like it has released a little too early and you’re buying a work in progress at the moment, Megaquarium is still a... Read more
Despite a few oversights, Megaquarium is a fine game and easy recommendation for fans of management sims, or someone who wants to make their unique... Read more
There’s a great business management experience here; the gameplay may seem shallow at first blush, but plunge a little deeper and you’ll find plenty of... Read more
Megaquarium is a solid simulation game with plenty of content. Its simple gameplay can get hectic quickly. If you're a fan of tycoon games, this... Read more
Altogether, Twice Circled has crafted a decent tycoon game that is fun and relaxing, if not a little unimaginative. Read more
Megaquarium for the Switch is an enjoyable theme park builder suitable for entry level and experts of the genre. Those with aquarium experience will find... Read more
While Megaquarium is fun and challenging at times, it tends to become a little repetitive after a while. A few more different challenges would help,... Read more
WORTH CONSIDERING - Megaquarium offers up a robust and well-researched fish and aquarium sim to players. You’ll have a blast expanding out the aquarium of... Read more
Megaquarium is a competent tycoon game, but it feels a little too unrewarding. Read more
We spent several very pleasant hours with Megaquarium. It is a simple and at the same time profound management system, where fish and visitors have... Read more
A charmingly well executed management game that emphasizes good use of space, supply and demand, and visitors. Besides, fish are cute. What’s not to love? Read more
Megaquarium is far from perfect. Yet it's still one of the best sims out there right now. The freedom of the sandbox mode - opposed... Read more
About the game
Related news
Requirements
- Requires a 64-bit processor and operating system
- OS *: Windows 7 64 bit
- Intel Core i5-4690 or AMD Ryzen 7 2700U
- 8 GB RAM
- GeForce GTX 560 or AMD Radeon HD 7770
- 1 GB available space
- Requires a 64-bit processor and operating system
- OSX 10.10 or higher (64bit)
- 2x 6-Core Intel Xeon 2.66 GHz (Mac book pro circa 2016)
- 8 GB RAM
- AMD Radeon HD 7950
- 1 GB available space
- 64bit operating system
- Intel Core i5-4690 or AMD Ryzen 7 2700U
- 8 GB RAM
- GeForce GTX 560 or AMD Radeon HD 7770
- 1 GB available space
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