CookieRun: Kingdom represents Devsisters' ambitious entry into the mobile strategy RPG market, blending kingdom management with character-driven combat. The game establishes itself in a crowded market through its distinctive cookie-themed characters and voice-acted narrative, positioning as a family-friendly alternative to more mature RPG offerings. The core gameplay revolves around two primary systems: kingdom building and combat progression. Players construct and upgrade various buildings to generate resources while assembling teams of cookie characters for tactical battles. Each cookie features unique abilities and skill combinations, with progression systems including leveling, equipment, and costume customization. The game implements gacha mechanics for character acquisition alongside regular event content and cooperative gameplay modes. User interface design employs bright, colorful visuals with intuitive navigation between kingdom management and combat sections. Performance analysis reveals some technical limitations, particularly regarding storage requirements and battery consumption during extended sessions. The game maintains engagement through daily missions, seasonal events, and social features including guild systems and cooperative gameplay options. User feedback analysis indicates strong appreciation for character design and content depth, though technical issues surface consistently. Reviewers like Yarrowkingdom!! (July 8, 2025) note storage and battery concerns, while AuthorNate (July 8, 2025) and Loraine Perry j (August 7, 2025) report recurring crashing issues despite overall enjoyment. Positive reviews consistently highlight character diversity and social features as standout elements. The game demonstrates strengths in content volume and character design but faces challenges with technical optimization. Ideal for players seeking long-term progression systems and social gameplay, though those with limited device storage or performance concerns may experience frustrations. Regular updates address some issues, but performance optimization remains an area for continued development.