Creates the Department of Government Efficiency Act. Provides that the Department of Government Efficiency is created to oversee, audit, and recommend improvements to all State agencies' operations, budgets, and practices. Sets forth the membership and powers and duties of the Department, including the power to conduct mandatory annual audits in all State agencies, review and recommend repealing programs or expenditures that prioritize ideology over taxpayer benefits, establish clear key performance indicators for every State agency, consolidate overlapping programs and services, and implement technological solutions to improve transparency and streamline operations. Requires all State agencies to submit initial efficiency plans to the Department of Government Efficiency within 12 months after the Department's establishment. Sets forth provisions concerning findings of the General Assembly, the mission of the Department, implementation of the Act, and reporting. Effective immediately.