Here is the full list of all 12 Jisei: The First Case HD achievements worth 1,000 gamerscore.
Solved the mystery.
Can't find the killer.
Offer to help Kizaki.
Try to learn about Chance's history.
Try to reason with Miss Bergstrom.
Get arrested for murder.
You guessed the wrong culprit.
Dead a little earlier than planned.
Try to pressure Kizaki into helping you.
Ask Chance directly about her history.
Argue with Miss Bergstrom.
Withhold Info from Detective Gurski.