Games like Parkour Labs
Games like Parkour Labs include Portal 2, Sonic Frontiers, A Story About My Uncle, Grimhook, and Ratchet & Clank: Rift Apart. We matched them by the tags players give Parkour Labs on Steam (Action, Adventure, Casual, Platformer, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

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

Sonic Frontiers
Shared: Adventure · Action · 3D Platformer

A Story About My Uncle
Shared: Adventure · First-Person · Platformer

Grimhook
Shared: Action · Adventure · Platformer

Ratchet & Clank: Rift Apart
Shared: Adventure · Action · Action-Adventure

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

The Big Catch: Tacklebox
Shared: Action · Adventure · Platformer

Crash Bandicoot™ 4: It’s About Time
Shared: Action · Platformer · Adventure

Sonic Adventure DX
Shared: Platformer · Adventure · Action

Chained Together
Shared: Adventure · Casual · Platformer

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

Sonic Adventure 2
Shared: Action · Platformer · Adventure

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Adventure · Action · Casual

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

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

Warhammer 40,000: Space Marine 2
Shared: Action · Adventure · Action-Adventure

Atomic Heart
Shared: Adventure · Action · Action-Adventure

VHOLUME
Shared: Platformer · 3D Platformer · Casual

Neon White
Shared: Action · 3D Platformer · Platformer

Prince of Persia: The Forgotten Sands™
Shared: Action · Adventure · Platformer

Psychonauts
Shared: Adventure · Platformer · Action

SONIC X SHADOW GENERATIONS
Shared: Action · 3D Platformer · Platformer

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

Phantom Abyss
Shared: Action · Adventure · Action-Adventure