Dishonored
80 Achievements
1,640
25-30h
Ghost
You completed all missions after the prologue, alerting or killing no one but key targets
30
How to unlock the Ghost achievement in Dishonored - Definitive Guide
http://www.youtube.com/playlist?list=PLTaOHX8kEkD6d5uEIMjaPS...
Hope it helps
If you are going for a "Shadow", "Clean Hands", and "Ghost" run. I highly recommend you bypass ALL Granny Rags side missions. If you skip those missions, not only will you save time but you will also bypass the Granny Rags and Slack Jaw ending during the Flooded District episode.
If you find yourself reading this after doing the Granny Rags missions in the High Overseer Campbell episode. Don't panic. It is still possible to grab the key from Granny and not be detected. It is tough, but possible. You can bend time (rank 2) and blink to the door. Open the door and quickly shut it before time returns to normal. It will take you several tries but it can be done. Keep a save in case you were detected.
The Nex recommends another tactic when stealing the key from Granny. Go back out the same way you came in. Technically would be easier since it is a shorter route.
I followed that suggestion and completed them all on my first playthrough (low chaos), then went guns blazing for high chaos on the subsequent play. What I found personally, is that when you're allowed to kill everyone, the powers are less of a focus, and more an afterthought. If i could do it again I would save Mostly Flesh and Steel for the high chaos run, and utilize powers when trying to sneak by everyone. Most notably powers such as an upgraded blink, and the ability to see enemy directions through walls would have been extremely valuable, and time saving, on the low chaos run. Having an upgraded blink alone allows you to skip some small sections, and pass great heights and distances in difficult locations.
So if you have not yet played Dishonored, or are about to tackle all of the aforementioned achievements in a single run, consider saving yourself some time and headaches by saving Mostly Flesh and Steel for the high chaos playthrough.
Also, some of the solutions above have excellent suggestions such as not purchasing powers at all, and to save collection items and quests for the high chaos playthrough.
I GOT Ghost, Shadow, Clean Hands, Just Dark Enough and Mostly Flesh and Steel in ONE walkthrough HOW?
1-I played on EASY.
2-Save a file at the start of every mission and KEEP it.
3-IF you got your stats at the end of the mission and there is no tick on ghost or Don't kill anyone box DON'T replay what you have to do is LOAD up the saved file that you did at the start of the mission.
4-Don't go for Bones or any other COLLECTIBLEs.
5-Save every time you pass 5 mins of gameplay or even less it FREE.
6-Don't Purchase ANYTHING .
7-You can pass all the missions without alerting any ALARM EXCEPT there is an electric alarm in mission 6 (Return to the Tower) to disable it you have to have the key of the broadcast tower however I couldn't find it so What I did I went through the bedroom and unlocked the safe the CODE is 935 and got the details and the went through the tower the alarm rang However I still got Ghost box ticked at the stats.
8-Don't through (glass, bottles, ...etc) to lure enemies.
Any further help during your walkthrough please comment and I will help you.
No matter what any guide or website says, YOU CANNOT KILL OR DART a Wolfhound. Those are the only things I killed, no humans, no weepers, and did not get Ghost or Clean Hands.
Replayed from a save I luckily had in Chapter 7 on, and got it. Dogs will NOT show up on any statistics, and you will mistakenly assume you should get it.
EDITED:
By the way, this also means sleep darts. Apparently the knock out is too much for those damned dogs. Kills em.
Alerts come when the awareness meter above an enemy's head turns red and they start shooting at you. As for not killing anyone, learn to blink passed enemies, utilize your sleep bolts for your crossbow ( + to the top left), you'll know they're sleep darts because they're green. Also be sure you use knockout takedowns by holding when you're behind an enemy. One last tip would be to hold while you're knocking them out so you catch them as they collapse, otherwise they'll fall to the ground and possibly alert nearby enemies.
Whenever you finish a mission, it shows two boxes at the bottom for killing or alerting people. You must complete the entire game with both of those boxes checked for every mission. You cannot replay them later, it must be in one playthrough. If you messed up you must replay the level (do not exit the game and try mission select, it does not work). It's obviously best to play this on easy. Some people prefer to be able to upgrade and use powers, while most people wish to stack this, Clean Hands, and Mostly Flesh and Steel together. If you are using a rune you are voiding your achievement. So do not upgrade Blink if trying to stack these achievements.
Check here for tips on how to get Clean Hands, Mostly flesh and Steel, and Ghost all in one playthrough.