Developed and delivered GameCube Controller Rumble support in PC Mode for the libsdl-org/SDL repository, enabling tactile feedback for GameCube controllers on supported platforms. The work involved implementing firmware compatibility checks and robust rumble packet handling to ensure reliable device integration. Using C programming and hardware integration skills, the developer validated the feature across the PC-mode input workflow, enhancing gameplay immersion and broadening controller support for SDL-based games. The approach emphasized clean, commit-driven delivery and cross-platform input handling, reducing integration friction for developers. No major bugs were reported, reflecting careful attention to device reliability and thorough validation throughout the process.