- Ice Climbers were running in the Wii U version
- due to the required hardware power, the team couldn’t make them work in the 3DS game
- with Ice Climbers unlikely to have another installment in their franchise, high priority wasn't given to them
- Wii U/3DS versions having different release dates is due to debugging
- if both games shared the same release date, the titles could have slipped to 2015
- Akihiro Toda, who was behind the texts in the Mother series, wrote the trophy descriptions