Basically, this is Plague Inc. All the user's locations are places the virus can spread to.
1. If you create a virus, you must upgrade it overtime. It cannot destroy civilizations instantly.
2. Create a new name for a virus. Please don't reuse the other ones.
That's it for the rules, here's some other things.
You can merge viruses to make them more powerful.
Viruses can slowly become immune to cures.
That's all. So, my virus will be called "Dead Dude Syndrome." It gives people nausea, and can make them dizzy. It originated during a failed lab experiment.
A new disease has appeared: The Miner’s Plague.
The pathogen can move through and live in solid matter, and is rather resilient to high pressures. Victims may rarely feel tingling as it moves through their tissues. It was first encountered in a mine, hence the name.