911 Operator is an indie simulation strategy game where players assume the role of an emergency dispatcher. The core gameplay loop involves managing incoming calls, which can range from serious emergencies to prank calls, and dispatching appropriate police, fire, or paramedic units. The game incorporates over 50 recorded dialogues inspired by real incidents, providing a varied auditory experience.

Players can select any city worldwide to play on, utilizing real-world maps, addresses, and infrastructure downloaded from OpenStreetMap. A Career mode presents 6 distinct cities with unique scenarios and special events, such as earthquakes and bomb threats. Players command a variety of emergency vehicles and equipment, managing different unit types with specific capabilities to respond to over 140 report types.