Plague Inc: Evolved

Plague Inc: Evolved

将最致命的设想付诸现实
投身实验室以探索由社区玩家设计的自定义病原体与新世界,使用剧情场景编辑器以定制专属游戏内容。
Does anyone know how to make some sort of soul harvesting mechanic?
My plan is for the number of those infected to become like a DNA cap so 1 DNA per 1,000 infected? This is one idea but I don't know how to pull it off.