Games like Sanity Break
Games like Sanity Break include The Elder Scrolls IV: Oblivion Remastered, Tainted Grail: The Fall of Avalon, Escape the Backrooms, Fallout: New Vegas, and Starfield. We matched them by the tags players give Sanity Break on Steam (RPG, Exploration, Dungeon Crawler, Roguelike, and Character Customization): closest matches first, and among equally close ones the better-known games.

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Exploration · Character Customization

Tainted Grail: The Fall of Avalon
Shared: RPG · Exploration · Character Customization

Escape the Backrooms
Shared: Exploration · Psychological Horror · First-Person

Fallout: New Vegas
Shared: RPG · Exploration · First-Person

Starfield
Shared: RPG · Exploration · Character Customization

Elin
Shared: RPG · Character Customization · Roguelike

Lethal Company
Shared: Exploration · First-Person · Psychological Horror

The Outer Worlds 2
Shared: RPG · Exploration · First-Person

Cyberpunk 2077
Shared: RPG · Exploration · First-Person

Mortal Sin
Shared: Dungeon Crawler · RPG · First-Person

Slasher's Keep
Shared: Dungeon Crawler · RPG · First-Person

Resident Evil 7 Biohazard
Shared: First-Person · Survival Horror · Gore

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: RPG · Exploration · First-Person

Fallout 4
Shared: Exploration · RPG · First-Person

Darkest Dungeon®
Shared: Dungeon Crawler · RPG · Roguelike

Hades II
Shared: Roguelike · RPG · Dungeon Crawler

Five Nights at Freddy's: Security Breach
Shared: Exploration · First-Person · 3D

Lunacid
Shared: Dungeon Crawler · RPG · First-Person

Dread Delusion
Shared: RPG · Exploration · First-Person

Hades
Shared: Roguelike · RPG · Dungeon Crawler

The Elder Scrolls Online - Standard Edition
Shared: RPG · Exploration · Character Customization

Fatekeeper
Shared: RPG · First-Person · 3D

PEAK
Shared: Exploration · First-Person · 3D

Monster Hunter: World
Shared: RPG · Character Customization · Action