Megaquarium Free Download (v5.1.2g & ALL DLC)
Game Overview
From the creator of Big Pharma comes a brand new economic simulation game. Megaquarium follows in the footsteps of classic theme park management tycoon games and adds an aquatic spin!A living simulation. Starting with just a few tanks and the most basic of livestock, you’ll grow your aquarium to a thronging metropolis filled with hundreds of guests, tens of staff and a multitude of different aquatic lifeforms, each with their own unique care requirements. Megaquarium features almost 100 different marine species including fish, sharks, crustaceans, corals, jellyfish, other invertebrates and even a turtle! You’ll be spoilt for choice as you design, decorate and populate your tanks. The right staff for the job.
Installation Instructions
- Click the green button below to be redirected to UploadHaven.
- Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
- Once downloaded, right-click the .zip file and choose “Extract to Megaquarium.” (You’ll need 7-Zip for this.)
- Open the extracted folder and run the game as administrator.
- Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.
Download Links
Download Megaquarium using the button below.
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Megaquarium (v5.1.2g & ALL DLC)?
After extracting Megaquarium (v5.1.2g & ALL DLC), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 535.27 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Why should I run the game as administrator?
Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.
My antivirus is blocking the game — is it safe?
Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 7 64 bit
- Processor: Intel Core i5-4690 or AMD Ryzen 7 2700U
- Memory: 8 GB RAM
- Graphics: GeForce GTX 560 or AMD Radeon HD 7770
- Storage: 1 GB available space
Screenshots

