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