Games like Lobotomy
Games like Lobotomy include Poppy Playtime, Alan Wake, Summer of '58, Mouthwashing, and No, I'm not a Human. We matched them by the tags players give Lobotomy on Steam (Psychological Horror, Psychological, Thriller, Action, and Horror): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Psychological Horror · Dark

Alan Wake
Shared: Action · Horror · Thriller

Summer of '58
Shared: Thriller · Psychological Horror · Horror

Mouthwashing
Shared: Psychological Horror · Horror · Psychological

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

Phasmophobia
Shared: Psychological Horror · Horror · Dark

Little Nightmares II
Shared: Horror · Psychological Horror · Atmospheric

SOMA
Shared: Psychological Horror · Horror · Atmospheric

SILENT HILL 2
Shared: Psychological Horror · Horror · Psychological

Outlast
Shared: Psychological Horror · Horror · Atmospheric

Darkwood
Shared: Psychological Horror · Horror · Action

MiSide
Shared: Psychological Horror · Horror · Atmospheric

Hellblade: Senua's Sacrifice
Shared: Psychological · Atmospheric · Horror

Sally Face - Episode One
Shared: Psychological Horror · Horror · Dark

Firework
Shared: Horror · Psychological Horror · Thriller

Buckshot Roulette
Shared: Horror · Dark · Psychological

[Chillas Art] The Convenience Store
Shared: Psychological Horror · Horror · Simulation

Subliminal
Shared: Psychological Horror · Thriller · Realistic

Outlast 2
Shared: Psychological Horror · Horror · Atmospheric

SILENT HILL f
Shared: Psychological Horror · Horror · Psychological

The Complex: Expedition
Shared: Psychological Horror · Horror · Action

Little Nightmares
Shared: Horror · Atmospheric · Psychological Horror

Garten of Banban
Shared: Psychological Horror · Horror · Singleplayer

Fran Bow
Shared: Psychological Horror · Horror · Psychological