Games like Lost but Lucid
Games like Lost but Lucid include Firewatch, A Story About My Uncle, Portal 2, What Remains of Edith Finch, and GRIS. We matched them by the tags players give Lost but Lucid on Steam (Platformer, Casual, Singleplayer, Atmospheric, and Story Rich): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Atmospheric · Adventure · Story Rich

A Story About My Uncle
Shared: Singleplayer · Adventure · Platformer

Portal 2
Shared: Platformer · Singleplayer · Story Rich

What Remains of Edith Finch
Shared: Atmospheric · Story Rich · Singleplayer

GRIS
Shared: Atmospheric · Platformer · Adventure

Slime Rancher
Shared: Singleplayer · Adventure · Exploration

Hollow Knight
Shared: Platformer · Singleplayer · Atmospheric

Ori and the Will of the Wisps
Shared: Platformer · Singleplayer · Atmospheric

Outer Wilds
Shared: Exploration · Story Rich · Adventure

Spirit of the North
Shared: Atmospheric · Casual · Adventure

Fallout 4
Shared: Singleplayer · Atmospheric · Exploration

The Witcher 3: Wild Hunt — Remastered
Shared: Atmospheric · Story Rich · Singleplayer

ABZU
Shared: Atmospheric · Singleplayer · Casual

Hollow Knight: Silksong
Shared: Platformer · Singleplayer · Exploration

Call of the Sea
Shared: Adventure · Story Rich · Atmospheric

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

The Beginner's Guide
Shared: Story Rich · Atmospheric · Singleplayer

FAR: Lone Sails
Shared: Atmospheric · Singleplayer · Adventure

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Story Rich · Singleplayer

Hogwarts Legacy
Shared: Singleplayer · Adventure · Fantasy

The Witness
Shared: Singleplayer · Exploration · First-Person

Brothers - A Tale of Two Sons
Shared: Atmospheric · Adventure · Story Rich

Refunct
Shared: Casual · Platformer · 3D Platformer

Little Nightmares
Shared: Atmospheric · Singleplayer · Adventure