Here is the full list of all 25 SILENT BREATH achievements.
Finish the game
Dawn broke without finding all the missing people
You didn't find anyone before sunrise
Experience 50 scares in a single run
Experience 100 scares in single run
Survive against armless sister
Survive against big sister
Survive against blind sister
Survive against stalker
Skip the opening scene
Scream 3 times and die
Experience Gunshot Jumpscare
Don't make any noise and finish game
Explore the Gas Station
Explore the Church
Explore the Amusement Park
Explore the Chapel
Explore the Bus Garage
Explore the Lake
Explore the TV House
Explore the Farm
Explore the Cemetery
Deal with 2 or more sister at same time
Toggle your flashlight 100+ times
Set the microphone level to 0