Tier S · All stages
Soldiers
Your repeatable frontline and wave-clearing core. Prioritize a dependable fielded squad before spreading resources across every new roll.
What is verified
The official game description confirms players roll powerful soldiers and fight endless zombie hordes.
Practical rule
Build a dependable deployed squad before spending broadly. When a new roll improves actual wave survival, invest; when it only expands the collection, keep saving.
Next step
Use the upgrade planner with your live income rate, then compare this priority with the other entries in the full list.