Kill 100 zombies.

Build a combo weapon.

Find and return a bike part.

Purchase a clue from Dick, the pawnshop owner.

Defeat Jed the Mechanic.

Escape Still Creek with Katey.

Rebuild the bike.

Build all available combo weapons.

Unlock all the doors in Still Creek.

Spend $100,000 in the pawnshop.

Kill 1,000 zombies.

Save all the survivors in Still Creek.