A:AnswerProbably not. Just to be safe. Look on Google & search universal cords for Samsung devices. . By chance what if you bought the insignia cord & it didn't work. Then you'd have to go back to the store & get the correct one.
A:AnswerI have no idea, I don’t own a Game Cube. However, this cord is just a straight power cord, if the polarized plug fits your Game Cube, it should work.
A:AnswerProbably not. Some products are compatible some are not. Try Google. Sony May have a universal cord that's compatible with your PlayStation. It's always best to try to have the same manufacturer accessories.