Games like Is That a Human Organ?
Games like Is That a Human Organ? include That's not my Neighbor, PARANORMASIGHT: The Mermaid's Curse, The Walking Dead, The Room, and SchoolBoy Runaway. We matched them by the tags players give Is That a Human Organ? on Steam (Adventure, Simulation, Horror, RPG, and Choices Matter): closest matches first, and among equally close ones the better-known games.

That's not my Neighbor
Shared: Adventure · Horror · Choices Matter

PARANORMASIGHT: The Mermaid's Curse
Shared: Adventure · Simulation · RPG

The Walking Dead
Shared: Adventure · Choices Matter · Point & Click

The Room
Shared: Adventure · Mystery · Point & Click

SchoolBoy Runaway
Shared: Adventure · Simulation · Horror

The Room Two
Shared: Mystery · Adventure · Horror

My Time at Portia
Shared: RPG · Simulation · Life Sim

The Room 4: Old Sins
Shared: Adventure · Mystery · Point & Click

HELLMART
Shared: Simulation · Horror · Choices Matter

The Cabin Factory
Shared: Horror · Choices Matter · Adventure

Reigns
Shared: Choices Matter · Adventure · RPG

Growing Up
Shared: Simulation · Choices Matter · Adventure

The Room Three
Shared: Adventure · Mystery · Point & Click

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Choices Matter

The Test
Shared: Simulation · Choices Matter · Horror

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

Volcano Princess
Shared: Choices Matter · RPG · Life Sim

Who's at the door?
Shared: Adventure · Simulation · Horror

The Forest
Shared: Horror · Adventure · Simulation

Quarantine Zone: The Last Check
Shared: Simulation · Choices Matter · Singleplayer

Grunn
Shared: Horror · Simulation · Adventure

DREDGE
Shared: Adventure · Mystery · Horror

Kingdom Come: Deliverance II
Shared: RPG · Adventure · Singleplayer

Summon
Shared: Simulation · Horror · Choices Matter