Games like Lost At Sea
Games like Lost At Sea include Outer Wilds, Firewatch, What Remains of Edith Finch, Return of the Obra Dinn, and The Talos Principle. We matched them by the tags players give Lost At Sea on Steam (Adventure, Indie, Puzzle, First-Person, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Adventure · Exploration · Puzzle

Firewatch
Shared: Adventure · Atmospheric · First-Person

What Remains of Edith Finch
Shared: Atmospheric · Adventure · First-Person

Return of the Obra Dinn
Shared: Puzzle · Indie · Atmospheric

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

Poppy Playtime
Shared: Puzzle · First-Person · Singleplayer

Little Nightmares
Shared: Adventure · Atmospheric · Puzzle

OneShot
Shared: Indie · Puzzle · Atmospheric

INFRA
Shared: Puzzle · Adventure · Exploration

Blue Prince
Shared: Puzzle · Exploration · Indie

The Room
Shared: Puzzle · Adventure · Atmospheric

Stray
Shared: Adventure · Atmospheric · Singleplayer

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

Bendy and the Ink Machine
Shared: First-Person · Puzzle · Singleplayer

The Witness
Shared: Puzzle · First-Person · Exploration

Little Nightmares II
Shared: Adventure · Puzzle · Singleplayer

Layers of Fear (2016)
Shared: Atmospheric · First-Person · Indie

FAR: Lone Sails
Shared: Adventure · Atmospheric · Indie

Amnesia: Rebirth
Shared: Puzzle · First-Person · Adventure

Fallout 4
Shared: Adventure · Exploration · Singleplayer

GRIS
Shared: Indie · Atmospheric · Adventure

The Long Dark
Shared: Adventure · Atmospheric · Exploration

The Room Two
Shared: Puzzle · Adventure · Atmospheric

Antichamber
Shared: Puzzle · Indie · First-Person