Gonçalo Rocha focused on stabilizing core physics interactions in the SuperTux/supertux repository, addressing a nuanced collision detection issue involving the MrIceBlock character and trampolines. Using C++ and leveraging his skills in bug fixing and game development, he delivered a targeted solution that corrected bounce direction, velocity, and sound cues when MrIceBlock was kicked into a trampoline. His work also prevented an incorrect orientation flip, enhancing both gameplay reliability and visual consistency. Although the scope was limited to a single bug fix, the depth of the solution demonstrated careful attention to edge-case failures and improved the overall user experience.