Here is the full list of all 17 MISSING: An Interactive Thriller - there are Episode One achievements.
Complete all achievements
Get out of the first room without completing the mystery word puzzle
Hit all quick time event circles
Hit the fire trigger on the first try
Completed Episode 1
Completed Chapter 5 of Episode 1
Completed Chapter 4 of Episode 1
Fix all parts of the generator
Find the batteries before you need them
Completed Chapter 3 of Episode 1
Click 500 times anywhere
Completed Chapter 2 of Episode 1
Do not spill any coffee
Completed Chapter 1 of Episode 1
Shut 20 doors or drawers
Complete the hidden word puzzle
Solve the block puzzle in less than 5 seconds