Base game
- Nightmare Complete Collect all trophies in The Letter: Classic Edition. 35.1%Rare
- The Letter Collect the letter. 90.5%Common
- The Mystery Begins Leave the bedroom. 89.9%Common
- Clue 1 Collect the blueprint. 85.7%Common
- Clue 2 Collect the note. 75.3%Common
- Clue 3 Collect the knife. 60%Common
- Clue 4 Collect the syringe. 69.5%Common
- Clue 5 Collect the ring. 59.3%Common
- Secret Tape 1 Collect 1 Secret Tape. 68%Common
- Secret Tape 2 Collect 2 Secret Tapes. 50.4%Common
- Construction Valley Leave Construction Valley. 51.7%Common
- Clue 6 Collect the ID Card. 50.6%Common
- Clue 7 Collect the key. 49.6%Rare
- Secret Tape 3 Collect 3 Secret Tapes. 41.6%Rare
- Secret Tape 4 Collect 4 Secret Tapes. 35.8%Rare
- Sketchy Alley Leave the town. 49.3%Rare
- Medical Horrors Leave the medical facility. 49.3%Rare
- Secret trophy Its name and description stay hidden until you earn it. 49.3%Rare
- Secret trophy Its name and description stay hidden until you earn it. 49.3%Rare
- Secret Tape 5 Collect the final hidden tape. 35.6%Rare
- Secret trophy Its name and description stay hidden until you earn it. 35.6%Rare
- Hidden Letter 1 Discover the first hidden letter. (Bedroom) 91.2%Common
- Hidden Letter 2 Discover the second hidden letter. (Construction Valley) 60.5%Common
- Hidden Letter 3 Discover the third hidden letter. (Sketchy Alley) 49.8%Rare
- Hidden Letter 4 Discover the fourth hidden letter. (Sketchy Alley) 48.2%Rare
- Hidden Letter 5 Discover the fifth hidden letter. (Construction Valley) 77.5%Common
- Hidden Letter 6 Discover the sixth hidden letter. (Sketchy Alley) 47.2%Rare
Trophy names, descriptions and rarity come from PlayStation. Guides open on their authors' own websites.