Games like Harder Parkour
Games like Harder Parkour include Portal 2, Pseudoregalia, Mirror's Edge™, Tomb Raider IV-VI Remastered, and Chained Together. We matched them by the tags players give Harder Parkour on Steam (Precision Platformer, Sports, Exploration, 3D Platformer, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Pseudoregalia
Shared: 3D Platformer · Exploration · Parkour

Mirror's Edge™
Shared: Exploration · 3D Platformer · Parkour

Tomb Raider IV-VI Remastered
Shared: 3D Platformer · Precision Platformer · Exploration

Chained Together
Shared: Puzzle Platformer · Platformer · 3D Platformer

Refunct
Shared: 3D Platformer · Parkour · Puzzle Platformer

Mirror's Edge™ Catalyst
Shared: Parkour · 3D Platformer · Runner

Portal
Shared: Puzzle Platformer · 3D Platformer · Puzzle

Hot Lava
Shared: Precision Platformer · 3D Platformer · Exploration

ANIMAL WELL
Shared: Exploration · Puzzle Platformer · Puzzle

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

FEZ
Shared: Exploration · Puzzle · Platformer

Tomb Raider: Underworld
Shared: Puzzle · Exploration · Female Protagonist

Monument Valley 3
Shared: Puzzle · Precision Platformer · Exploration

Haste
Shared: 3D Platformer · Parkour · Runner

BETON BRUTAL
Shared: Precision Platformer · 3D Platformer · Exploration

Monument Valley
Shared: Puzzle · Exploration · Adventure

Rooftops & Alleys: The Parkour Game
Shared: Sports · 3D Platformer · Exploration

Toree 3D
Shared: 3D Platformer · Precision Platformer · Exploration

Supraland
Shared: Exploration · Puzzle Platformer · Puzzle

Kena: Bridge of Spirits
Shared: Exploration · 3D Platformer · Action-Adventure

Sonic Frontiers
Shared: 3D Platformer · Exploration · Adventure

Celeste
Shared: Precision Platformer · Platformer · Female Protagonist

Viewfinder
Shared: Puzzle Platformer · Puzzle · Exploration