Full list of all 28 When I Was Young achievements.
The base game contains 26 achievements, and there is 1 DLC pack containing 2 achievements.
Complete Chapter 1
Complete Chapter 2
Complete Chapter 3
Complete Chapter 4
Complete Chapter 5
Complete Chapter 6
Complete Chapter 7
Complete Chapter 8
Complete Chapter 9
Complete the game
Replay any Chapter
Got all failure screens
Get court-martialed
Pass the obstacle course in 1:10 min
Pass the exam in 1:30 min
Disarm a trap
Disarm 15 traps
Kill 100 enemies
Check the brother's room
Become a Lucy's little dog
Late on the first day of service
Go through the VC tunnel without a flashlight
Fail the obstacle course 5 times
View all girls in the controls menu
Save Evans and secure the hospital in 5 minutes
Get all achievements
Gather one collectible mask
Gather all collectible masks