Games like Legendary Tomb digger
Games like Legendary Tomb digger include Slime Rancher, Antichamber, COCOON, The Room 4: Old Sins, and Big Walk. We matched them by the tags players give Legendary Tomb digger on Steam (Adventure, Sandbox, Puzzle, Choose Your Own Adventure, and Collectathon): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Adventure · Exploration · Sandbox

Antichamber
Shared: Puzzle · Adventure · Exploration

COCOON
Shared: Adventure · Puzzle · Exploration

The Room 4: Old Sins
Shared: Puzzle · Adventure · Hidden Object

Big Walk
Shared: Puzzle · Adventure · Exploration

Outer Wilds
Shared: Adventure · Exploration · Puzzle

Chants of Sennaar
Shared: Adventure · Puzzle · Singleplayer

The House of Da Vinci
Shared: Puzzle · Adventure · Hidden Object

Blue Prince
Shared: Puzzle · Exploration · Adventure

鬼谷八荒 Tale of Immortal
Shared: Sandbox · Choose Your Own Adventure · Adventure

Supraland
Shared: Adventure · Exploration · Puzzle

Moncage
Shared: Puzzle · Adventure · Indie

Terraria
Shared: Sandbox · Adventure · Exploration

The Witness
Shared: Puzzle · Exploration · Adventure

The Room
Shared: Puzzle · Adventure · Hidden Object

Mon Bazou
Shared: Sandbox · Choose Your Own Adventure · Exploration

The Long Dark
Shared: Adventure · Exploration · Sandbox

Stray
Shared: Adventure · Puzzle · Exploration

Riven
Shared: Adventure · Puzzle · Exploration

Myst
Shared: Adventure · Puzzle · Exploration

The Room Three
Shared: Adventure · Puzzle · Hidden Object

Fallout 4
Shared: Adventure · Exploration · Singleplayer

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

Human Fall Flat
Shared: Puzzle · Adventure · Sandbox