Games like Endless Horizon
Games like Endless Horizon include ALTF4, Haste, VHOLUME, Retrowave, and Kao the Kangaroo: Round 2 (2003 re-release). We matched them by the tags players give Endless Horizon on Steam (3D Platformer, Arcade, Runner, Action, and Platformer): closest matches first, and among equally close ones the better-known games.
ALTF4
Shared: Runner · 3D Platformer · Arcade
Haste
Shared: 3D Platformer · Action · Runner
VHOLUME
Shared: 3D Platformer · Runner · Arcade
Retrowave
Shared: Racing · Indie · Action
Kao the Kangaroo: Round 2 (2003 re-release)
Shared: 3D Platformer · Action · Platformer
Only Climb: Better Together
Shared: 3D Platformer · Arcade · Platformer
Boson X
Shared: Arcade · Action · Runner
Sonic Adventure 2
Shared: 3D Platformer · Action · Platformer
Superflight
Shared: Indie · Flight · Action
Marble It Up! Ultra
Shared: 3D Platformer · Arcade · Racing
Rogue Legacy 2
Shared: Arcade · Action · Platformer
Sonic Adventure DX
Shared: 3D Platformer · Platformer · Action
Project Wingman
Shared: Action · Arcade · Flight
Drift86
Shared: Racing · Arcade · Indie
Cyber Hook
Shared: 3D Platformer · Action · Indie
Pumpkin Jack
Shared: 3D Platformer · Action · Indie
Mirror's Edge™ Catalyst
Shared: Runner · 3D Platformer · Action
SONIC X SHADOW GENERATIONS
Shared: 3D Platformer · Action · Platformer
Neon White
Shared: 3D Platformer · Platformer · Action
Retrowave 2
Shared: Arcade · Action · Runner
Spark the Electric Jester 3
Shared: 3D Platformer · Action · Platformer
The Crew™ 2
Shared: Racing · Action · Arcade
SpeedRunners
Shared: Racing · Indie · Platformer
Sonic Frontiers
Shared: 3D Platformer · Action · Platformer