Full list of all 12 Dead Rising 2: Case Zero (JP) achievements worth 200 gamerscore.
Save all the survivors in Still Creek.
Escape Still Creek with Katey.
Defeat Jed the Mechanic.
Kill 100 zombies.
Kill 1,000 zombies.
Spend $100,000 in the pawnshop.
Find and return a bike part.
Rebuild the bike.
Build a combo weapon.
Build all available combo weapons.
Unlock all the doors in Still Creek.
Purchase a clue from Dick, the pawnshop owner.