Games like Untangle
Games like Untangle include Poppy Playtime, The Room, Little Nightmares II, Amnesia: Rebirth, and Little Nightmares. We matched them by the tags players give Untangle on Steam (Adventure, Casual, Action-Adventure, Puzzle, and Mystery Dungeon): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Puzzle · First-Person · Horror

The Room
Shared: Puzzle · Adventure · Atmospheric

Little Nightmares II
Shared: Adventure · Puzzle · Horror

Amnesia: Rebirth
Shared: Action-Adventure · Puzzle · Adventure

Little Nightmares
Shared: Adventure · Puzzle · Atmospheric

Inside the Backrooms
Shared: Puzzle · Adventure · Horror

Hello Neighbor 2
Shared: Adventure · Puzzle · Action-Adventure

The Room Two
Shared: Puzzle · Adventure · Atmospheric

The Room Three
Shared: Adventure · Puzzle · Atmospheric

Bendy and the Ink Machine
Shared: Puzzle · First-Person · Horror

Bendy and the Dark Revival
Shared: Adventure · First-Person · Horror

Outlast
Shared: First-Person · Atmospheric · Adventure

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

The Room 4: Old Sins
Shared: Adventure · Puzzle · Mystery

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

MiSide
Shared: 3D · First-Person · Horror

Firewatch
Shared: Adventure · Atmospheric · First-Person

Choo-Choo Charles
Shared: First-Person · Action-Adventure · Adventure

Boxes: Lost Fragments
Shared: Adventure · Puzzle · Casual

Call of the Sea
Shared: Adventure · Puzzle · First-Person

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

What Remains of Edith Finch
Shared: Adventure · Atmospheric · First-Person

Garten of Banban 2
Shared: Puzzle · First-Person · Horror

Moncage
Shared: Casual · Puzzle · Adventure