It looks like you are playing Emergency 20 (the anniversary edition) and want to know how to enable, or effectively use, "Unlimited Units."
It is important to clarify a game mechanic first: In the standard campaign of Emergency 20, there is no cheat code to spawn infinite units. The game is designed with a strict unit cap (Budget) to force you to make strategic choices. emergency 20 unlimited units full
However, there are three ways to achieve an "Unlimited" experience depending on what you are looking for: It looks like you are playing Emergency 20
Here is your helpful guide.
When a major incident overwhelms normal capacity, clear goals and an organized surge plan matter most. “Emergency 20: Unlimited Units, Full” describes a scalable, decisive framework for activating unlimited operational units and delivering a full-spectrum response to catastrophic events—natural disasters, mass-casualty incidents, large industrial accidents, or cascading infrastructure failures. This article outlines purpose, command structure, activation triggers, logistics, communications, safety, legal/ethical considerations, and an implementation checklist. The Cheat Method: Editing game files to lower
Once the mod is active:
If you do manage to bypass the unit limit, the game changes from a tactical puzzle to a logistical challenge. Here is how to manage a full roster: