Perfect Crime
2/6
Chapter - Manfred
For the second part of the Perfect Crime achievement you'll need to completely clean your fingerprints from Manfred's shop. If you don't touch anything that's optional and you go as quickly as possible you'll only have the minimum amount of things to clean. This list is below.
The white phone in the back.
The black phone.
The two shot glasses.
The bottle.
The magnifying glass.
The ballerina on the glass case.
The front door.
I'm not a killer.
Chapter - The Shark
For this achievement you'll need to NOT kill the Drug Dealer. Once you get to the end of the chapter and have the gun pointed at his head just choose not to shoot him.
Then once you get the achievement for this you'll need to reload the chapter and choose to save.
Queen of Ropes
Chapter - The Doc
For this achievement you'll need to escape before the Doc returns. As soon as he leaves to go answer the door, you'll need to untie your leg and get through the quick time events before he gets back. Then fight him and win.
Four Heroes
1/6
This will also take care of the first part of the Four Heroes achievement for having four characters alive when you complete the story.
Nerd
2/4
Chapter - Mad Jack
For the second part of the Nerd achievement you'll need to find all of the clues in the chapter Mad Jack. All of the clues are listed below.
Three sets of blood trails leading to the acid bath.
The Mugs in Mad Jack's office.
Size 10 footprints.
The tire tracks that match the Origami Killer's.
A pollen trail in the back of the shop.
Spilled blue paint.
The acid bath itself.
Chapter - Mad Jack
For this achievement you'll need to survive the fights against Mad Jack. You'll need to successfully get through most of the quick time events, select the "Impress" dialogue option, and do not take triptocaine when given the choice.
2/6
This will also take care of the second part needed for the Four Heroes achievement.
Chapter - Twins
For this achievement you'll need to follow your brother without making any mistakes. This is a pretty long one so you may not get it on the first try. Go ahead and fully play through it so you'll see all of the areas and then go back through to successfully complete all of quick time events.
Nerd
3/4
Chapter - Fish Tank
For the third part of the Nerd achievement you'll need to find all of the clues in the chapter. All of the clues here are listed below. In order to do this you'll need to survive the fight with the Origami killer and rip his pocket so that his gas receipts fall to the floor. This will also take care of the third part of preparing for the Four Heroes achievement.
Four Heroes
3/6
The gas receipts that fell out of his coat.
The scattered papers behind the table.
The bullet shells near the door.
The gun in the corner.
Paco's Body.
The Orchid pollen near the desk.
The gun in the center of the room.
The lamp that Madison used previously.
Clever Dad
Chapter - The Rat
For this achievement you'll need to figure out where Shaun is being held. You'll need to choose not to drink the poison and then be sure to choose 852 Theodore Roosevelt Road for the GPS. This achievement will unlock as we get into the last chapter later on.