Games like SurfsUp
Games like SurfsUp include Marvel Rivals, Hot Lava, skate., Haste, and War Thunder. We matched them by the tags players give SurfsUp on Steam (Free to Play, Precision Platformer, 3D Platformer, Runner, and Flight): closest matches first, and among equally close ones the better-known games.

Marvel Rivals
Shared: Free to Play · PvP · Racing

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

skate.
Shared: Free to Play · Sports · Action

Haste
Shared: 3D Platformer · Parkour · Runner

War Thunder
Shared: Free to Play · Flight · Action

Century: Age of Ashes
Shared: Free to Play · Flight · PvP

VHOLUME
Shared: 3D Platformer · Runner · Parkour

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

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

GOALS
Shared: Free to Play · Sports · PvP

Brawlhalla
Shared: Free to Play · Casual · Platformer

THE FINALS
Shared: Free to Play · PvP · Competitive

ALTF4
Shared: Runner · 3D Platformer · Action

Asphalt Legends
Shared: Free to Play · Racing · Arcade

Disney Speedstorm
Shared: Racing · Free to Play · Action

Neon White
Shared: 3D Platformer · Parkour · Precision Platformer

Apex Legends™
Shared: Free to Play · PvP · Action

Aimlabs
Shared: Free to Play · Action · eSports

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

SMITE®
Shared: Free to Play · Action · Competitive

Superflight
Shared: Flight · Sports · Indie

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

Where Winds Meet
Shared: Free to Play · Racing · PvP

Liftoff®: FPV Drone Racing
Shared: Flight · Racing · Sports