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