Games like Twin Souls, One World
Games like Twin Souls, One World include OneShot, DAVE THE DIVER, There Is No Game: Wrong Dimension, FEZ, and Outer Wilds. We matched them by the tags players give Twin Souls, One World on Steam (Adventure, Puzzle, Exploration, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

OneShot
Shared: Pixel Graphics · Story Rich · Puzzle

DAVE THE DIVER
Shared: Adventure · Pixel Graphics · Exploration

There Is No Game: Wrong Dimension
Shared: Puzzle · Adventure · Pixel Graphics

FEZ
Shared: Puzzle · Exploration · Pixel Graphics

Outer Wilds
Shared: Exploration · Adventure · Story Rich

Papers, Please
Shared: Pixel Graphics · Puzzle · Multiple Endings

Five Nights at Freddy's: Into the Pit
Shared: Adventure · Pixel Graphics · 2D

Terraria
Shared: Adventure · 2D · Pixel Graphics

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Singleplayer

ANIMAL WELL
Shared: Puzzle · Exploration · Pixel Graphics

UNREAL LIFE
Shared: Adventure · Pixel Graphics · Story Rich

The Rewinder
Shared: Adventure · Puzzle · Pixel Graphics

Tomb Raider Game of the Year
Shared: Adventure · Story Rich · Exploration

Undertale
Shared: Story Rich · Pixel Graphics · Multiple Endings

Ib
Shared: Pixel Graphics · 2D · Story Rich

Spirit of the North
Shared: Adventure · Exploration · Puzzle

Outcore: Desktop Adventure
Shared: Adventure · Story Rich · Exploration

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Story Rich · Puzzle

Hollow Knight
Shared: 2D · Exploration · Adventure

Reventure
Shared: Adventure · Pixel Graphics · 2D

Impostor Factory
Shared: Adventure · Story Rich · Pixel Graphics

Mad Father
Shared: 2D · Pixel Graphics · Exploration

SANABI
Shared: Pixel Graphics · Adventure · Story Rich

OMORI
Shared: Story Rich · Pixel Graphics · Multiple Endings