Single-player games like PROCEDURE ZERO
Below are 8 single-player Steam games similar to PROCEDURE ZERO, 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 PROCEDURE ZERO page.
Ranked picks
- 1
Reborn
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie and Adventure with PROCEDURE ZERO.
Reborn - an atmospheric first-person survival horror. Explore a dark mansion, uncover its secrets, and survive among infected people. Use weapons, stealth, and limited resources to find your way to the truth.
- 2
Last Frame
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie and Adventure with PROCEDURE ZERO.
Last Frame is a First-Person Psychological Horror set within an isolated West Virginia corporate facility. Explore your surroundings, use what you can to survive, and uncover the secrets to discover your true purpose.
- 3
My Toxic Darling
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie and Adventure with PROCEDURE ZERO.
You wake in a dungeon where strangers sit in chairs, each with a story about their lover. Listen, judge, and answer. Empathize or turn hostile — every choice changes how they treat you. Find three keys and escape before time runs out. Play solo, or as a couple in two-player co-op.
- 4
ShutterOut
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie and Adventure with PROCEDURE ZERO.
ShutterOut is a 1-4 player co-op horror game where all kinds of threats await. Record as much as you can, and make it out alive!
- 5
COMING HOME
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie with PROCEDURE ZERO.
A retro slasher horror game, with a focus on home defense. In the dead of night, you hear someone lurking outside - but you are not defenseless. Watch the cameras, barricade your doors, and have your gun at the ready - anything to keep the Sundown Rippers from claiming their next victim.
- 6
The Kept Fire
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie and Adventure with PROCEDURE ZERO.
The Kept Fire is a psychological survival horror game set in a mysterious valley that awakens in the darkness. Keep the fire alive. Keep your eyes wide. When you turn around, it will move.
- 7
Nosophobia
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie and Adventure with PROCEDURE ZERO.
A psychological survival horror about a former soldier who goes to an abandoned psychiatric hospital in search of his missing sister. Explore dark corridors, solve puzzles, uncover secrets of the past, and decide how far you're willing to go for Lana.
- 8
Shadows of Christmas Eve
Single-player alternative to PROCEDURE ZERO — playable solo, no multiplayer required. Shares Indie and Adventure with PROCEDURE ZERO.
Explore a house that gradually transforms as the nightmares become increasingly disturbing, while presences seem to watch you from the darkness. Discover what secrets are hidden within its walls before it’s too late...