Start in a cold, isolated country
Prioritize transmission upgrades first
Upgrade Bat 1 and Bat 2 early
Upgrade Blood 1 and Blood 2 early
Get Mist 1 and Mist 2 for spread
Get Shadow Slither for stealth spread
Avoid triggering too much attention early
Save lethal abilities until most countries are infected
Upgrade Hypnosis to improve control
Upgrade Thrall abilities to boost spread
Use Night Raid when infection is widespread
Use Dark Rituals to accelerate progress
Keep severity low until global spread is secured
Watch for cure progress and respond quickly
Use Vampire abilities to destroy research centers
Target islands and hard-to-reach countries early
Evolve air and sea spread before land is fully covered
Once most of the world is infected, evolve kill abilities
Push for total collapse only after cure is near completion
Use multiple vampires to cover different regions
Reposition vampires to avoid being trapped
Maximize stealth before going fully aggressive