Infectious Free Download (v2021.01.12)
Game Overview
Take the role of a virus infecting multiple organs in your host. Outsmart and outrun the immune system. Collect DNA and use them to mutate, grow stronger and gain new abilities. Spawn viral clones to speed up your work. Compete with other microorganisms to be the dominant pathogenic species. And discover a beautiful microscopic world on a cellular level. Game features:
- Unlock different types of viruses (including an alien-like virus originated from space) with their own unique abilities.
- Immune cells that mimic real-life immune response behavior.
- Multiple upgrades and mutation abilities to give you an edge over your host’s immune system.
- Observe how viruses overwhelm the host’s body on a cellular level.
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 Infectious.” (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 Infectious using the button below.
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Infectious (v2021.01.12)?
After extracting Infectious (v2021.01.12), 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 288.23 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
- Processor: 2.0 GHz Dual Core Processor
- Memory: 1 GB RAM
- Graphics: Integrated Graphics (512MB)
- Storage: 300 MB available space
Screenshots

