Games like Relicta
Games like Relicta include Portal 2, Portal, Rise of the Tomb Raider™, Tomb Raider Game of the Year, and Indiana Jones and the Great Circle. We matched them by the tags players give Relicta on Steam (Action, Puzzle Platformer, Casual, Exploration, and Character Action Game): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle Platformer · First-Person · Female Protagonist

Portal
Shared: Puzzle Platformer · First-Person · Action

Rise of the Tomb Raider™
Shared: Action · Female Protagonist · Exploration

Tomb Raider Game of the Year
Shared: Action · Female Protagonist · Exploration

Indiana Jones and the Great Circle
Shared: Action-Adventure · First-Person · Exploration

Tomb Raider I-III Remastered Starring Lara Croft
Shared: Action · Female Protagonist · Action-Adventure

The Talos Principle 2
Shared: Puzzle Platformer · Exploration · First-Person

Half-Life 2
Shared: Action · Sci-fi · First-Person

Planet of Lana
Shared: Action · Puzzle Platformer · Female Protagonist

Mirror's Edge™
Shared: Exploration · Action-Adventure · First-Person

STAR WARS Jedi: Survivor™
Shared: Action · Action-Adventure · Sci-fi

Supraland
Shared: Puzzle Platformer · Exploration · First-Person

Marvel’s Spider-Man Remastered
Shared: Action · Action-Adventure · Story Rich

Viewfinder
Shared: Puzzle Platformer · First-Person · Puzzle

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Action · Exploration

Amnesia: Rebirth
Shared: Action-Adventure · First-Person · Exploration

Moss VR
Shared: Action · Puzzle Platformer · Action-Adventure

Slime Rancher
Shared: Exploration · First-Person · Casual

Kena: Bridge of Spirits
Shared: Action · Exploration · Female Protagonist

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

Starfield
Shared: Exploration · Sci-fi · First-Person

A Plague Tale: Requiem
Shared: Action · Exploration · Action-Adventure

Fallout 4
Shared: Exploration · Action · First-Person

Superliminal
Shared: First-Person · Puzzle · Action