Here is the full list of all 33 Double achievements.
Complete the game without upgrades
Get bad ending
Complete day 9
Complete day 8
Don't uncover Lucia's lies
Complete day 7
Kill 30 enemies by shooting from cover
Complete day 6
Complete day 5
Complete day 4
Take 4 pills
30 headshots
Trust Louis
Complete day 3
Complete day 2
Kill 15 without aiming
Die of glitch
Complete day 1
Skip 10 dialogs
Kill an enemy with a dash while having a minimum of lucidness
Die from waiting
Open all letters in dreams
Answer right all questions about dreams
Answer wrong all questions about dreams
Explore all things at the hospital
Hide pills 5 times
Кill 40 enemies with dash
Kill 15 frozen enemies
Kill 15 enemies using focus
Get good ending
Uncover Lucia's lies
Answer right all questions about dreams in day 1
Do not help Louis in the shootout