Games like DYNAMIC
Games like DYNAMIC include Portal, Mirror's Edge™ Catalyst, Portal 2, ALTF4, and Neon White. We matched them by the tags players give DYNAMIC on Steam (Action, Sports, Platformer, 3D Platformer, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Portal
Shared: 3D Platformer · Puzzle Platformer · Action

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

Portal 2
Shared: Platformer · Puzzle Platformer · 3D Platformer

ALTF4
Shared: 3D Platformer · Action · Runner

Neon White
Shared: 3D Platformer · Action · Platformer

Sonic Adventure 2
Shared: Action · Platformer · 3D Platformer

Prince of Persia®: The Sands of Time
Shared: Action · Platformer · Parkour

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

SEUM: Speedrunners from Hell
Shared: 3D Platformer · Platformer · Precision Platformer

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

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

Haste
Shared: Action · 3D Platformer · Parkour

Defy Gravity Extended
Shared: Platformer · Puzzle Platformer · Action

Ratchet & Clank: Rift Apart
Shared: 3D Platformer · Action · Third Person

skate.
Shared: Action · Sports · Third Person

Only Climb: Better Together
Shared: 3D Platformer · Precision Platformer · Platformer

Sonic Frontiers
Shared: Action · 3D Platformer · Platformer

Sonic Adventure DX
Shared: Platformer · 3D Platformer · Action

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

Pseudoregalia
Shared: 3D Platformer · Platformer · Parkour

STAR WARS™ Battlefront™ II
Shared: Action · Space · Sci-fi

Clustertruck
Shared: Action · 3D Platformer · Parkour

Grand Theft Auto V Legacy
Shared: Action · Third Person · Multiplayer

Spark the Electric Jester 3
Shared: Action · 3D Platformer · Platformer