Games like Horizon's Mirage
Games like Horizon's Mirage include A Story About My Uncle, Mirror's Edge™, Refunct, Clustertruck, and Portal 2. We matched them by the tags players give Horizon's Mirage on Steam (Atmospheric, First-Person, 3D Platformer, Parkour, and Singleplayer): closest matches first, and among equally close ones the better-known games.

A Story About My Uncle
Shared: First-Person · Parkour · Atmospheric

Mirror's Edge™
Shared: First-Person · Parkour · 3D Platformer

Refunct
Shared: 3D Platformer · Parkour · First-Person

Clustertruck
Shared: Parkour · First-Person · 3D Platformer

Portal 2
Shared: First-Person · Singleplayer · 3D Platformer

VHOLUME
Shared: Atmospheric · First-Person · Parkour

Viewfinder
Shared: First-Person · Singleplayer · Surreal

Valley
Shared: First-Person · Parkour · Singleplayer

Portal
Shared: First-Person · 3D Platformer · Singleplayer

Lorn's Lure
Shared: Parkour · 3D Platformer · Singleplayer

Cairn
Shared: Atmospheric · Singleplayer · Parkour

PEAK
Shared: First-Person · Physics · Atmospheric

Mirror's Edge™ Catalyst
Shared: Parkour · First-Person · 3D Platformer

Outlast
Shared: First-Person · Atmospheric · Singleplayer

Idols of Ash
Shared: Atmospheric · Parkour · First-Person

Peaks of Yore
Shared: Atmospheric · First-Person · Physics

Finding Frankie
Shared: First-Person · Parkour · Atmospheric

Pseudoregalia
Shared: 3D Platformer · Parkour · Singleplayer

Antichamber
Shared: First-Person · Surreal · Singleplayer

White Knuckle
Shared: First-Person · Parkour · 3D Platformer

Firewatch
Shared: Atmospheric · First-Person · Singleplayer

Neon White
Shared: 3D Platformer · Parkour · Singleplayer

Berry Bury Berry
Shared: First-Person · Singleplayer · Surreal

The Witness
Shared: First-Person · Atmospheric · Singleplayer