Games like Window Of Perspectives
Games like Window Of Perspectives include No Case Should Remain Unsolved, The Case of the Golden Idol, Death and Taxes, Papers, Please, and Strange Horticulture. We matched them by the tags players give Window Of Perspectives on Steam (2D, Point & Click, Story Rich, Multiple Endings, and Investigation): closest matches first, and among equally close ones the better-known games.

No Case Should Remain Unsolved
Shared: Investigation · Point & Click · Story Rich

The Case of the Golden Idol
Shared: Investigation · Point & Click · Detective

Death and Taxes
Shared: Story Rich · Multiple Endings · Point & Click

Papers, Please
Shared: Point & Click · Multiple Endings · Story Rich

Strange Horticulture
Shared: Point & Click · Puzzle · Detective

The Wolf Among Us
Shared: Story Rich · Multiple Endings · Detective

There Is No Game: Wrong Dimension
Shared: Point & Click · Puzzle · Story Rich

Cyber Manhunt 2: New World - The Hacking Simulator
Shared: Point & Click · Detective · Puzzle

The Roottrees are Dead
Shared: Point & Click · Detective · Story Rich

Undertale
Shared: Story Rich · Multiple Endings · Choices Matter

OneShot
Shared: Story Rich · Puzzle · 2D

Sherlock Holmes: Crimes and Punishments
Shared: Detective · Investigation · Story Rich

Tangle Tower
Shared: Point & Click · Detective · Story Rich

Storyteller
Shared: Point & Click · 2D · Puzzle

Sherlock Holmes: The Devil's Daughter
Shared: Story Rich · Detective · Puzzle

Murders on the Yangtze River
Shared: Story Rich · Detective · Puzzle

The Silent Age
Shared: Point & Click · Story Rich · 2D

Blacksad: Under the Skin
Shared: Point & Click · Puzzle · Story Rich

Her Story
Shared: Investigation · Detective · Puzzle

The Mermaid Mask
Shared: Point & Click · Detective · Puzzle

Pentiment
Shared: Story Rich · Investigation · Multiple Endings

Heavy Rain
Shared: Story Rich · Multiple Endings · Choices Matter

LoveChoice
Shared: Story Rich · Multiple Endings · Choices Matter

That's not my Neighbor
Shared: Point & Click · Multiple Endings · Choices Matter