Games like Siberian experiment
Games like Siberian experiment include The Exit 8, Platform 8, What Remains of Edith Finch, The Painscreek Killings, and Outer Wilds. We matched them by the tags players give Siberian experiment on Steam (Exploration, Hidden Object, Puzzle, Detective, and Life Sim): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Puzzle · Walking Simulator

Platform 8
Shared: Puzzle · Hidden Object · Exploration

What Remains of Edith Finch
Shared: Exploration · Walking Simulator · First-Person

The Painscreek Killings
Shared: Exploration · Detective · Puzzle

Outer Wilds
Shared: Exploration · Puzzle · Story Rich

MiSide
Shared: Psychological Horror · First-Person · 3D

Firewatch
Shared: Exploration · Walking Simulator · First-Person

SOMA
Shared: Exploration · Psychological Horror · Horror

Scanner Sombre
Shared: Exploration · Walking Simulator · Horror

Inside the Backrooms
Shared: Puzzle · Exploration · Horror

The Vanishing of Ethan Carter
Shared: Exploration · Detective · Walking Simulator

Layers of Fear (2016)
Shared: Walking Simulator · Psychological Horror · Horror

Summon
Shared: Puzzle · Exploration · Life Sim

The House of Da Vinci
Shared: Hidden Object · Puzzle · Exploration

INFRA
Shared: Exploration · Puzzle · Walking Simulator

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Exploration · Horror

The Room 4: Old Sins
Shared: Puzzle · Hidden Object · Exploration

Metel - Horror Escape
Shared: Puzzle · Hidden Object · 3D

Kona
Shared: Exploration · Detective · First-Person

SchoolBoy Runaway
Shared: Puzzle · Life Sim · Hidden Object

Killer Frequency
Shared: Puzzle · Exploration · Horror

Riven
Shared: Exploration · Puzzle · First-Person

September 7th
Shared: Exploration · Walking Simulator · Horror

Escape the Backrooms
Shared: Exploration · Horror · Psychological Horror