Escape Still Creek with Katey.
Defeat Jed the Mechanic.
Save all the survivors in Still Creek.
Rebuild the bike.
Unlock all the doors in Still Creek.
Find and return a bike part.
Purchase a clue from Dick, the pawnshop owner.
Kill 100 zombies.
Build a combo weapon.
Kill 1,000 zombies.
Spend $100,000 in the pawnshop.
Build all available combo weapons.
