Once you have the base game, these "best" free mods are highly recommended by the community: Los Angeles Mod
He didn't send the police car first. He sent the ambulance. Then the fire truck. He didn't care about the efficiency rating. He wasn't playing for points.
He clicked "Free Play." He didn't want the scripted missions tonight. He wanted the chaos.
Emergency 4 includes a built-in tool called ModInstaller.exe , usually located in the game’s main directory.
911: First Responders (originally released as Emergency 4: Global Fighters for Life