Games like The Interval Bureau: Extension 0
Games like The Interval Bureau: Extension 0 include Sally Face - Episode One, Little Nightmares II, Mouthwashing, Firewatch, and Little Nightmares. We matched them by the tags players give The Interval Bureau: Extension 0 on Steam (Adventure, Story Rich, Psychological Horror, Horror, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Sally Face - Episode One
Shared: Story Rich · Psychological Horror · Horror

Little Nightmares II
Shared: Adventure · Horror · Psychological Horror

Mouthwashing
Shared: Psychological Horror · Story Rich · Horror

Firewatch
Shared: Adventure · Story Rich · Atmospheric

Little Nightmares
Shared: Adventure · Horror · Atmospheric

What Remains of Edith Finch
Shared: Story Rich · Atmospheric · Adventure

SOMA
Shared: Psychological Horror · Horror · Story Rich

MiSide
Shared: Psychological Horror · Story Rich · Horror

Layers of Fear (2016)
Shared: Psychological Horror · Horror · Atmospheric

Fran Bow
Shared: Psychological Horror · Story Rich · Adventure

No, I'm not a Human
Shared: Psychological Horror · Horror · Story Rich

Amnesia: A Machine For Pigs
Shared: Story Rich · Horror · Atmospheric

Poppy Playtime
Shared: Horror · Psychological Horror · Singleplayer

Tiny Bunny
Shared: Story Rich · Horror · Atmospheric

Outer Wilds
Shared: Story Rich · Adventure · Mystery

Outlast
Shared: Horror · Psychological Horror · Atmospheric

Dagon: by H. P. Lovecraft
Shared: Horror · Atmospheric · Story Rich

The Cat Lady
Shared: Story Rich · Adventure · Horror

INSIDE
Shared: Atmospheric · Story Rich · Horror

SILENT HILL 2
Shared: Psychological Horror · Story Rich · Horror

DISTRAINT: Deluxe Edition
Shared: Psychological Horror · Horror · Adventure

Hellblade: Senua's Sacrifice
Shared: Story Rich · Atmospheric · Adventure

Detention
Shared: Horror · Psychological Horror · Story Rich

Outlast 2
Shared: Psychological Horror · Horror · Atmospheric