CoGym is a web-based platform leveraging AI-driven adaptive algorithms to deliver personalized cognitive exercises targeting memory, attention, and executive function. Users engage in game-like tasks where difficulty automatically adjusts in real-time based on their performance. Researchers and clinicians can design custom protocols, track individual or group progress with comprehensive analytics dashboards, and export data for further analysis. The platform supports multi-user management, remote access, and integrates with existing assessment tools, making it versatile for clinical interventions, educational programs, and cognitive research studies. With its intuitive interface, CoGym streamlines deployment of evidence-based cognitive training at scale. It utilizes reinforcement learning to optimize task selection across sessions, ensuring sustained engagement and measurable improvements.