Single-player games like DEAD LETTER DEPT.
Below are 10 single-player Steam games similar to DEAD LETTER DEPT., ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like DEAD LETTER DEPT. page.
Ranked picks
- 1

Home Safety Hotline
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
Hearing noises? Seeing things? Call Home Safety Hotline! Our operators are standing by, waiting to give you the answers you need to protect your home from all manner of pests and household hazards.
- 2

s.p.l.i.t
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
A short psychological horror game, where you attempt to gain root access into an unethical superstructure.
- 3

DISTRAINT: Deluxe Edition
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
DISTRAINT is a 2D psychological horror adventure game for PC. In order to secure a partnership in a famous company, Price seizes the property of an elderly woman. In that very moment, he finds out the price of his humanity.
- 4

PROXIMATE
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
Congratulations, contractor! You've been approved to trial our cutting-edge AI visor. Use it to explore the Neuras lab and recover the staff's research. Your visor is safe, reliable, and up to 99% accurate. Just don't ask why the "ketchup" in the corner makes such a horrible crunching sound.
- 5

The Hungry Fly
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
Once upon a time, there was a fly. A hungry fly. A fly with razor-sharp teeth, with a taste for dead things. This is the tale of its adventure to find something dead to devour, in a swamp where nothing dies, everything is grotesque, and every choice matters, no matter how surreal.
- 6

Her Love, Like Poison
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
A dark lesbian horror/romance story so toxic it's emitting spores. Ethel, a shy university student, ventures into the wintry woods late at night, where she meets an enchanting femme fatale — but all is not as it seems.
- 7

Burial
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
A videographer receives the task of filming a wake in an old Soviet apartment. But he soon realizes that something terrible is lurking within these walls. And in the middle of the room there is a closed coffin...
- 8

Dead Take
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
Find your missing friend. Uncover the secrets within. Brave a luxurious and haunting mansion in Dead Take, a first-person psychological horror crafted by Surgent Studios.
- 9

Papers, Please
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
Congratulations. The October labor lottery is complete. Your name was pulled. For immediate placement, report to the Ministry of Admission at Grestin Border Checkpoint. An apartment will be provided for you and your family in East Grestin. Expect a Class-8 dwelling.
- 10

Phasmophobia
Single-player alternative to DEAD LETTER DEPT. — playable solo, no multiplayer required. Shares Indie with DEAD LETTER DEPT..
Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.