Games like Kill The Shadow
Games like Kill The Shadow include Murders on the Yangtze River, OneShot, Outer Wilds, Sanfu, and Return of the Obra Dinn. We matched them by the tags players give Kill The Shadow on Steam (Adventure, Story Rich, RPG, 3D, and Mystery): closest matches first, and among equally close ones the better-known games.

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

OneShot
Shared: Story Rich · Pixel Graphics · Adventure

Outer Wilds
Shared: Story Rich · Adventure · Mystery

Sanfu
Shared: RPG · Adventure · Mystery

Return of the Obra Dinn
Shared: Story Rich · Mystery · Detective

Back to the Dawn
Shared: RPG · Story Rich · Adventure

OMORI
Shared: Story Rich · RPG · Pixel Graphics

The Rewinder
Shared: Adventure · Mystery · Puzzle

DAVE THE DIVER
Shared: Adventure · Pixel Graphics · RPG

WILL: A Wonderful World / WILL:美好世界
Shared: Story Rich · RPG · Adventure

Impostor Factory
Shared: Story Rich · Adventure · RPG

Sherlock Holmes: The Devil's Daughter
Shared: Adventure · Story Rich · Mystery

Undertale
Shared: Story Rich · RPG · Pixel Graphics

To the Moon
Shared: Story Rich · Adventure · Pixel Graphics

Blue Prince
Shared: Mystery · Puzzle · Story Rich

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

Phoenix Wright: Ace Attorney Trilogy
Shared: Story Rich · Detective · Mystery

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · RPG · Adventure

Firewatch
Shared: Adventure · Story Rich · Mystery

Tales of the Black Forest
Shared: RPG · Adventure · Story Rich

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Story Rich

The Wolf Among Us
Shared: Adventure · Story Rich · Detective

Ten Trials of Babel: The Doppelganger Maze
Shared: Story Rich · RPG · Adventure

The Forgotten City
Shared: Adventure · Mystery · Story Rich