OptPack Updater BACKUP Optllizer 1.6 2024 Backup updater for OptPack THIS IS A BACKUP UPDATER. OptPack is a modpack for Mario Kart Wii. This program is used to update the OptPack CT Pack. Thanks to Sain and That One Atlas, they both helped the author code and modifed existing code. Thanks to teknecal for his HTTP Source Code. Thanks to Bad Wolf for fixing issues with version control.