Use a custom power up for the first time.
Win your first race.
Use boost for the first time.
Activate the Slime valve for the first time.
Break 5 objects in a single race using boost.
Take down at least 3 opponents in a single race.
Activate the Slime in all the locations.
Win at the last second in Grand Prix Mode.
Win with all racers.
Play as each racer at least once.
Win all Cups in Normal mode.
Win a Cup in Normal mode.
Win all Cups in easy mode.
Win a Cup in easy mode.
Win a victory lap.
Unlock every trophy.
Use custom power ups for all the racers.
Beat your record for first time.
Co-operative special attack for the first time.
Modify your kart for the first time.
Compete in the Arena for the first time.
Compete 10 times in each Arena mode.
Find a shortcut.
Put in the miles on the jetski.
Win a Cup in Expert mode.
Win all Cups in Expert mode.
Win 9 victory laps.
Unlock every upgrade in the store.
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