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