Games like SevenDay
Games like SevenDay include The Exit 8, Escape the Backrooms, Inside the Backrooms, Backrooms: Escape Together, and Poppy Playtime. We matched them by the tags players give SevenDay on Steam (Exploration, Immersive Sim, Puzzle, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Puzzle · Immersive Sim

Escape the Backrooms
Shared: Horror · Psychological Horror · Exploration

Inside the Backrooms
Shared: Puzzle · Horror · Exploration

Backrooms: Escape Together
Shared: Horror · Psychological Horror · First-Person

Poppy Playtime
Shared: Puzzle · Horror · First-Person

Lethal Company
Shared: First-Person · Exploration · Horror

Platform 8
Shared: Psychological Horror · Puzzle · Exploration

Five Nights at Freddy's: Security Breach
Shared: Horror · Exploration · First-Person

MiSide
Shared: Psychological Horror · First-Person · Horror

The Escape: Together
Shared: Exploration · Immersive Sim · Horror

Outer Wilds
Shared: Exploration · Puzzle · Adventure

Resident Evil 7 Biohazard
Shared: First-Person · Horror · Psychological Horror

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

Five Nights at Freddy's: Secret of the Mimic
Shared: First-Person · Exploration · Horror

Garten of Banban
Shared: First-Person · Horror · Puzzle

SOMA
Shared: Psychological Horror · Horror · Exploration

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

Subliminal
Shared: Psychological Horror · Realistic · First-Person

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

SILENT HILL: Townfall
Shared: Exploration · Horror · First-Person

PEAK
Shared: Exploration · First-Person · 3D

Resident Evil Requiem
Shared: Horror · First-Person · Zombies

Amnesia: Rebirth
Shared: Puzzle · First-Person · Exploration

INFRA
Shared: Exploration · Puzzle · First-Person