The Sam's Story Add-on for Metro Exodus has 8 achievements.
Organize a documentary screening in the SAM'S STORY chapter.
Set all 5 traps in the SAM'S STORY chapter as the Captain requests.
Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.
Complete the SAM'S STORY chapter.
Complete the SAM'S STORY chapter earning the Captain's full trust.
Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.
Collect all harmonica melodies in the SAM'S STORY chapter.
Collect all the upgrades for Sammy rifle and Stallion pistol in the SAM'S STORY chapter.