While v39903 was the foundation, VOID Interactive has since expanded the game with major DLCs that build upon this release: The New Ready or Not Update is Insane
The update introduced more nuanced morale systems; suspects might fake a surrender or hesitate based on the force applied by the SWAT team. Ready or Not v39903 -Release- Partial DLC M...
The update overhauled existing maps and added several new ones, including "Elephant" and "Rust Belt," significantly expanding the mission variety. While v39903 was the foundation, VOID Interactive has