Games like Shadowgate
Games like Shadowgate include Chants of Sennaar, The Room, Grim Fandango Remastered, The Night of the Rabbit, and Papers, Please. We matched them by the tags players give Shadowgate on Steam (Adventure, Point & Click, Remake, Puzzle, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Chants of Sennaar
Shared: Adventure · Puzzle · Singleplayer

The Room
Shared: Point & Click · Puzzle · Adventure

Grim Fandango Remastered
Shared: Adventure · Point & Click · Singleplayer

The Night of the Rabbit
Shared: Adventure · Point & Click · Puzzle

Papers, Please
Shared: Point & Click · Singleplayer · Puzzle

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

Return of the Obra Dinn
Shared: Puzzle · Singleplayer · Adventure

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

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

Deponia
Shared: Adventure · Point & Click · Puzzle

Black Mesa
Shared: Remake · Singleplayer · First-Person

Fran Bow
Shared: Point & Click · Adventure · Puzzle

The Secret of Monkey Island: Special Edition
Shared: Adventure · Point & Click · Remake

The Talos Principle
Shared: Puzzle · First-Person · Singleplayer

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

Thimbleweed Park™
Shared: Adventure · Point & Click · Puzzle

Firewatch
Shared: Adventure · Singleplayer · Atmospheric

Outer Wilds
Shared: Adventure · Puzzle · Great Soundtrack

Gorogoa
Shared: Puzzle · Singleplayer · Point & Click

Monkey Island™ 2 Special Edition: LeChuck’s Revenge™
Shared: Adventure · Point & Click · Remake

The Curse of Monkey Island
Shared: Point & Click · Adventure · Retro

Little Nightmares
Shared: Adventure · Singleplayer · Puzzle

A New Beginning: Final Cut
Shared: Adventure · Point & Click · Puzzle

GRIS
Shared: Adventure · Great Soundtrack · Atmospheric