Games like Floor Zero
Games like Floor Zero include The Exit 8, What Remains of Edith Finch, Inside the Backrooms, Layers of Fear (2016), and Firewatch. We matched them by the tags players give Floor Zero on Steam (Horror, Psychological Horror, Exploration, Puzzle, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Horror · Puzzle

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · Mystery

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

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

Firewatch
Shared: Walking Simulator · Atmospheric · Mystery

SOMA
Shared: Horror · Psychological Horror · Exploration

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

Outer Wilds
Shared: Exploration · Mystery · Puzzle

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

INFRA
Shared: Exploration · Puzzle · Walking Simulator

The Painscreek Killings
Shared: Exploration · Mystery · Horror

Scanner Sombre
Shared: Horror · Exploration · Walking Simulator

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Platform 8
Shared: Psychological Horror · Walking Simulator · Puzzle

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

The Room Two
Shared: Puzzle · Horror · Mystery

Psalm 5:9-13
Shared: Horror · Psychological Horror · Exploration

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · Puzzle

The Park®
Shared: Horror · Psychological Horror · Walking Simulator

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

Lethal Company
Shared: Horror · Exploration · Psychological Horror

Firework
Shared: Horror · Puzzle · Psychological Horror

DON'T SCREAM
Shared: Horror · Psychological Horror · Walking Simulator

Backrooms: Escape Together
Shared: Horror · Psychological Horror · Atmospheric