- online allows up to 10 players
- 5 player local multiplayer on Wii U
- online is a competitive mode
- if you’re playing offline, you can race against the computer in multiplayer
- if you’re in last, odds of getting one of the more powerful weapons is increased
- experience gained in multiplayer transfers over into your single player campaign, and vice versa
- each character earns experience points when racing in order to level
- level cap of five
- this unlocks mods for that racer, which are fixed bonuses that can be switched between pre-race in order to customise the character