Games like Ella's Nightmare
Games like Ella's Nightmare include The Room, Outer Wilds, The House of Da Vinci, What Remains of Edith Finch, and Papers, Please. We matched them by the tags players give Ella's Nightmare on Steam (Point & Click, Puzzle, Mystery, Atmospheric, and Story Rich): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Point & Click · Mystery

Outer Wilds
Shared: Mystery · Exploration · Story Rich

The House of Da Vinci
Shared: Puzzle · Point & Click · Mystery

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

Papers, Please
Shared: Point & Click · Puzzle · Story Rich

The Room 4: Old Sins
Shared: Puzzle · Point & Click · Mystery

Gorogoa
Shared: Puzzle · Point & Click · Atmospheric

Strange Horticulture
Shared: Puzzle · Mystery · Point & Click

The Room Three
Shared: Puzzle · Mystery · Point & Click

Sally Face - Episode One
Shared: Story Rich · Puzzle · Mystery

The Room Two
Shared: Puzzle · Point & Click · Mystery

Cube Escape Collection
Shared: Point & Click · Puzzle · Mystery

OneShot
Shared: Story Rich · Puzzle · Atmospheric

Tangle Tower
Shared: Point & Click · Puzzle · Exploration

Rusty Lake Paradise
Shared: Point & Click · Puzzle · Atmospheric

Servant of the Lake
Shared: Puzzle · Point & Click · Story Rich

Syberia: The World Before
Shared: Point & Click · Puzzle · Story Rich

Machinarium
Shared: Point & Click · Puzzle · Atmospheric

Behind the Frame: The Finest Scenery
Shared: Atmospheric · Puzzle · Story Rich

Return of the Obra Dinn
Shared: Puzzle · Mystery · Atmospheric

Twelve Minutes
Shared: Mystery · Puzzle · Point & Click

Blue Prince
Shared: Puzzle · Mystery · Exploration

Chants of Sennaar
Shared: Puzzle · Point & Click · Atmospheric

Fran Bow
Shared: Point & Click · Puzzle · Story Rich