The Best N64 and GameCube to HDMI Upscaler (Converter + Adapter)
raphnet. - Gamecube controller to N64 adapter (v3)
Amazon.com: Kahool HDMI Adapter Converter Cable Compatible with Nintendo 64 /Gamecube /SNES (PAL/NTSC), 1080P : Video Games
raphnet. - N64 controller to Wii/Gamecube adapter (v2)
Amazon.com: HDMI Cable for Nintendo Gamecube, Nintendo 64 N64, Super Nintendo SNES (3-in-1), GameCube/SNES/N64 to HDMI Adapter with S-Video Signal Output (Better Video Quality), HD Converter with 4:3/16:9 Switch : Video Games
SSX On Tour Nintendo Gamecube Game – The Game Island