Games like Patient 001
Games like Patient 001 include Resident Evil Requiem, Poppy Playtime, Resident Evil Village, Resident Evil 7 Biohazard, and Resident Evil 4. We matched them by the tags players give Patient 001 on Steam (Survival Horror, Action-Adventure, Psychological Horror, FPS, and Choices Matter): closest matches first, and among equally close ones the better-known games.

Resident Evil Requiem
Shared: Survival Horror · FPS · Horror

Poppy Playtime
Shared: Survival Horror · Singleplayer · Horror

Resident Evil Village
Shared: Survival Horror · Horror · Singleplayer

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · Singleplayer

Resident Evil 4
Shared: Survival Horror · Horror · Singleplayer

Resident Evil 2
Shared: Survival Horror · Zombies · Singleplayer

Outlast
Shared: Survival Horror · Psychological Horror · Horror

The Last of Us™ Part I
Shared: Action-Adventure · Horror · Singleplayer

Darkwood
Shared: Survival Horror · Psychological Horror · Horror

The Evil Within 2
Shared: Survival Horror · Psychological Horror · Horror

Outlast 2
Shared: Survival Horror · Psychological Horror · Horror

Dying Light
Shared: Survival Horror · Zombies · Horror

No, I'm not a Human
Shared: Psychological Horror · Choices Matter · Horror

Choo-Choo Charles
Shared: Survival Horror · Singleplayer · Horror

Inside the Backrooms
Shared: Survival Horror · Psychological Horror · Horror

Atomic Heart
Shared: FPS · Action-Adventure · Singleplayer

Little Nightmares II
Shared: Horror · Psychological Horror · Singleplayer

Resident Evil 4 (2005)
Shared: Survival Horror · Horror · Zombies

SOMA
Shared: Psychological Horror · Survival Horror · Horror

Bendy and the Ink Machine
Shared: Survival Horror · Horror · Singleplayer

METRO 2033 Redux
Shared: FPS · Horror · Survival Horror

Bendy and the Dark Revival
Shared: Survival Horror · Singleplayer · Horror

Five Nights at Freddy's 2
Shared: Survival Horror · Psychological Horror · Singleplayer

The Dark Pictures Anthology: House of Ashes
Shared: Survival Horror · Choices Matter · Psychological Horror