Games like Platformus
Games like Platformus include Pseudoregalia, Neon White, Sonic Adventure DX, Sonic Adventure 2, and Prince of Persia: The Forgotten Sands™. We matched them by the tags players give Platformus on Steam (Action, Platformer, 3D Platformer, Parkour, and 3D): closest matches first, and among equally close ones the better-known games.

Pseudoregalia
Shared: 3D Platformer · Parkour · Platformer

Neon White
Shared: 3D Platformer · Platformer · Action

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

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

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

Sonic Frontiers
Shared: 3D Platformer · Action · 3D

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

Clustertruck
Shared: Action · Parkour · 3D Platformer

Crash Bandicoot™ 4: It’s About Time
Shared: Action · Platformer · 3D Platformer

Sonic Lost World
Shared: Platformer · 3D Platformer · Action

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

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

Last Train Outta' Wormtown
Shared: Action · Platformer · 3D Platformer

Pumpkin Jack
Shared: Action · 3D Platformer · Third Person

Haste
Shared: Parkour · 3D Platformer · Action

Prince of Persia®
Shared: Action · Platformer · Parkour

Psychonauts
Shared: Platformer · Action · 3D Platformer

My Friend Pedro
Shared: Action · Parkour · Indie

SpongeBob SquarePants: The Cosmic Shake
Shared: 3D Platformer · Platformer · Action

Cyber Hook
Shared: 3D Platformer · Action · Parkour

Gorilla Tag
Shared: Parkour · Action · 3D Platformer

Bomb Rush Cyberfunk
Shared: Action · 3D Platformer · Parkour

Hover
Shared: Action · Parkour · Platformer

TY the Tasmanian Tiger
Shared: 3D Platformer · Platformer · Action