Games like Tale of six
Games like Tale of six include The Swapper, Outer Wilds, Thomas Was Alone, OneShot, and SANABI. We matched them by the tags players give Tale of six on Steam (2D, 2D Platformer, Atmospheric, Space, and Sci-fi): closest matches first, and among equally close ones the better-known games.

The Swapper
Shared: Atmospheric · Sci-fi · Space

Outer Wilds
Shared: Space · Atmospheric · Adventure

Thomas Was Alone
Shared: 2D Platformer · Sci-fi · 2D

OneShot
Shared: Story Rich · Atmospheric · 2D

SANABI
Shared: 2D Platformer · Story Rich · 2D

The Talos Principle
Shared: Sci-fi · Atmospheric · Philosophical

LIMBO
Shared: 2D · Atmospheric · Adventure

Hollow Knight
Shared: 2D · Atmospheric · Adventure

GRIS
Shared: Atmospheric · Adventure · 2D

Machinarium
Shared: 2D · Atmospheric · Story Rich

Celeste
Shared: 2D Platformer · 2D · Story Rich

Deliver Us The Moon
Shared: Adventure · Space · Atmospheric

INSIDE
Shared: Atmospheric · Story Rich · Adventure

Bionic Bay
Shared: 2D · Atmospheric · Sci-fi

Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™
Shared: Atmospheric · 2D · Adventure

Observation
Shared: Space · Adventure · Sci-fi

The Turing Test
Shared: Sci-fi · Space · Atmospheric

Rain World
Shared: Atmospheric · 2D · 2D Platformer

Space Pilgrim Episode I: Alpha Centauri
Shared: Space · Adventure · Sci-fi

Neva
Shared: Atmospheric · Adventure · 2D Platformer

Ori and the Will of the Wisps
Shared: Atmospheric · Adventure · Story Rich

Pinstripe
Shared: Atmospheric · Adventure · Casual

The Last Campfire
Shared: Adventure · Atmospheric · Cute

Braid
Shared: 2D Platformer · 2D · Puzzle