What is a gct file and how do I open a gct file?
GCT is a file created by Ocarina Cheat Code Manager, a homebrew application used to create cheat codes for the Ninendo Wii game console. It saves an exported cheat file, which subsequently can be uploaded to a Wii SD card and run by the Ocarina homebrew program.
Relevant gct file links:How to open gct file on Youtube
How to open gct file on Wikipedia
How to open gct file on Microsoft.com