Plague Inc: Evolved

Plague Inc: Evolved

Bring your deadliest ideas to life
Hit the lab and explore custom disease types and worlds created by the Plague Inc: Evolved community. Design your own scenarios in-game with the Plague Inc: Evolved Scenario Creator.
[Editor Question] How to add new Abilitys?
...like moving horde as with Necroa and Simian Flu... - i actually want to combine Necroa&Shadow Plague, thus need to have abilities for the Vampire and the Zombies - but how to add new ones???