Technical debt, a concept introduced by Ward Cunningham, refers to the long-term consequences of taking shortcuts in software development, akin to financial debt with accumulating interest. While code-level technical debt is often discussed, Architectural Technical Debt (ATD) poses a greater risk due to its impact on system evolution, maintainability, and business operations. ATD arises from intentional or unintentional decisions during system design, such as unsuitable architectural choices, technological stagnation, or evolving business requirements. It can lead to missed business opportunities, security vulnerabilities, customer dissatisfaction, and impediments to development agility. Addressing ATD requires proactive management and tools like Multiplayer, which provides real-time architectural visualization and collaboration to prevent the escalation of debt and foster informed decision-making. Neglecting ATD can stifle innovation, reduce performance, and hinder scalability, making its management crucial for the sustained growth and competitiveness of an organization.