- on 3DS, change items and view gear on second screen as you play
- Street Pass Arena requires you to collect five gems in five seconds
- you also have to defeat the other Shovel Knights
- other Shovel Knights are picked up via StreetPass
- you can watch the battles after they take place
- Wii U has Digger's Diary messages on the GamePad in every area
- you can also draw in the diary
- multiplayer being added to Wii U in a free update