Hose 20 oldies with the Uzi.
Complete story mode as The Grim Reaper.
Fully upgrade your kart.
Successfully use a shield to block 20 attacks.
Get 1 Crazy Granddad item.
Knock 5 skaters off the road.
Run over 5 bikers.
Complete story mode.
Get gold in all races in the showdown.
Get gold in all races in the graveyard.
Slip up 20 people’s Sunday drive with some oil.
Get gold in all races in the farm.
Use an EMP 20 times successfully.
Fully upgrade a single kart aspect.
Expertly explode 20 pensioners with the use of a rocket.
Get taken out by a UFO laser.
Get gold in all races in the town.
Boost without crashing, 20 times.
Get gold in all races in the village.
Buy an upgrade.
Win your first race.
Run over an opponent’s fallen body.