Games like DUMB: Treasure
Games like DUMB: Treasure include Poppy Playtime, Sally Face - Episode One, Rental, Samsara Room, and Endacopia. We matched them by the tags players give DUMB: Treasure on Steam (Free to Play, Point & Click, Adventure, Horror, and Exploration): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Free to Play · Horror · Psychological Horror

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

Rental
Shared: Free to Play · Horror · Exploration

Samsara Room
Shared: Free to Play · Adventure · Point & Click

Endacopia
Shared: Point & Click · Adventure · Horror

Fran Bow
Shared: Point & Click · Psychological Horror · Horror

The Room Two
Shared: Point & Click · Horror · Atmospheric

Rusty Lake Paradise
Shared: Point & Click · Adventure · Horror

Ultimate Custom Night
Shared: Free to Play · Horror · Point & Click

Psychopomp
Shared: Free to Play · Horror · Psychological Horror

We Were Here
Shared: Free to Play · Horror · Adventure

SOMA
Shared: Horror · Atmospheric · Psychological Horror

BABBDI
Shared: Free to Play · Exploration · Atmospheric

[Nightmare Files] Clap Clap
Shared: Free to Play · Horror · Adventure

Firewatch
Shared: Adventure · Atmospheric · Exploration

What Remains of Edith Finch
Shared: Atmospheric · Adventure · Exploration

The Room
Shared: Point & Click · Adventure · Atmospheric

The Cat Lady
Shared: Horror · Adventure · Point & Click

Detention
Shared: Horror · Atmospheric · Adventure

Outer Wilds
Shared: Exploration · Adventure · Mystery

Dark Fracture: Prologue
Shared: Adventure · Horror · Free to Play

Outlast
Shared: Horror · Atmospheric · Psychological Horror

Lethal Company
Shared: Horror · Exploration · Psychological Horror

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