Games like Pikabuu: STOP!
Games like Pikabuu: STOP! include No, I'm not a Human, Dagon: by H. P. Lovecraft, Slay the Princess — The Pristine Cut, Tiny Bunny, and MiSide. We matched them by the tags players give Pikabuu: STOP! on Steam (3D Platformer, Interactive Fiction, Visual Novel, First-Person, and Horror): closest matches first, and among equally close ones the better-known games.

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

Dagon: by H. P. Lovecraft
Shared: Horror · Visual Novel · First-Person

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Psychological Horror · Horror

Tiny Bunny
Shared: Visual Novel · Horror · Story Rich

MiSide
Shared: Psychological Horror · Horror · First-Person

Milk inside a bag of milk inside a bag of milk
Shared: Visual Novel · Horror · Psychological Horror

The Test
Shared: Multiple Endings · Simulation · Psychological Horror

Mouthwashing
Shared: Horror · Psychological Horror · Story Rich

The NOexistenceN of you AND me
Shared: Visual Novel · Psychological Horror · Interactive Fiction

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Multiple Endings

SOMA
Shared: Horror · Psychological Horror · Story Rich

Amnesia: A Machine For Pigs
Shared: Horror · First-Person · Story Rich

Outlast
Shared: First-Person · Horror · Psychological Horror

Poppy Playtime
Shared: Horror · First-Person · Psychological Horror

The Coffin of Andy and Leyley
Shared: Visual Novel · Multiple Endings · Story Rich

Sally Face - Episode One
Shared: Psychological Horror · Horror · Story Rich

Layers of Fear (2016)
Shared: Horror · Psychological Horror · First-Person

The Test: Hypothesis Rising
Shared: Visual Novel · Horror · Multiple Endings

SILENT HILL 2
Shared: Horror · Psychological Horror · Story Rich

Love Is All Around
Shared: Visual Novel · First-Person · Interactive Fiction

Outlast 2
Shared: Horror · First-Person · Psychological Horror

What Remains of Edith Finch
Shared: First-Person · Story Rich · Atmospheric

Scarlet Hollow
Shared: Visual Novel · Horror · Psychological Horror

Raging Loop
Shared: Visual Novel · Psychological Horror · Story Rich