Japan Import NTSC-J Gamecube games will NOT load on USA systems. Only load on USA Gamecube or Wii systems unless modify system to remove region lock just search youtube  on how 

Shipping in the USA is $5.25 on entire order of video games order 1 Shipping is $5.25 order so Shipping would still be $5.25 total.

Canada shipping is $15.25 for item if buy multiples would have to check on weight

International shipping $20.25 For irem if buying Multiple items need to check weight

I check will check messages multiple times a day please wait for reply. I have no problem shipping any order within 24 hours with tracking Provided