Games like Gravity run
Games like Gravity run include ALTF4, Phantom Abyss, Sonic Frontiers, Chained Together, and Haste. We matched them by the tags players give Gravity run on Steam (Action Roguelike, 3D Platformer, Exploration, Runner, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

ALTF4
Shared: Runner · 3D Platformer · Platformer

Phantom Abyss
Shared: Action Roguelike · 3D Platformer · Exploration

Sonic Frontiers
Shared: 3D Platformer · Exploration · Action-Adventure

Chained Together
Shared: Platformer · 3D Platformer · Exploration

Haste
Shared: 3D Platformer · Runner · Action Roguelike

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

Megabonk
Shared: Action Roguelike · Roguelike · Indie

Rooftops & Alleys: The Parkour Game
Shared: 3D Platformer · Exploration · Immersive Sim

Internet Cafe Simulator 2
Shared: Exploration · 3D · Immersive Sim

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Exploration · Platformer

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

Chinese Online Game
Shared: Action Roguelike · 3D Platformer · Action RPG

Crab Champions
Shared: Action Roguelike · Arcade · Roguelike

VHOLUME
Shared: 3D Platformer · Runner · Platformer

Vampire Survivors
Shared: Action Roguelike · Roguelike · Arcade

Another Crab's Treasure
Shared: 3D Platformer · Action RPG · Action-Adventure

Rogue Legacy
Shared: Action Roguelike · Platformer · Roguelike

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

Hamster Hunter
Shared: Exploration · Arcade · Action-Adventure

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

Skul: The Hero Slayer
Shared: Action Roguelike · Platformer · Roguelike

Spelunky
Shared: Action Roguelike · Platformer · Roguelike

Pseudoregalia
Shared: 3D Platformer · Exploration · Platformer

PEAK
Shared: Exploration · Action Roguelike · First-Person