Games like Gravity Flux
Games like Gravity Flux include Pizza Tower, Brawlhalla, Gravity Circuit, Katana ZERO, and Broforce. We matched them by the tags players give Gravity Flux on Steam (Action, Platformer, 2D Platformer, 2D, and Cartoony): closest matches first, and among equally close ones the better-known games.

Pizza Tower
Shared: 2D Platformer · Platformer · Cartoony

Brawlhalla
Shared: 2D Platformer · Platformer · Casual

Gravity Circuit
Shared: Action · Platformer · 2D

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Broforce
Shared: Action · 2D · Platformer

ANTONBLAST
Shared: Action · 2D Platformer · 2D

BEEP
Shared: Platformer · Indie · 2D

Super Meat Boy
Shared: Platformer · 2D Platformer · Indie

Awesomenauts
Shared: Platformer · Action · 2D

20XX
Shared: Platformer · Action · 2D Platformer

Cuphead
Shared: Platformer · 2D · Indie

SANABI
Shared: Action · 2D Platformer · 2D

Webbed
Shared: 2D Platformer · Platformer · 2D

Spelunky 2
Shared: Platformer · 2D Platformer · Indie

Sonic Superstars
Shared: Action · Platformer · 2D Platformer

BattleBlock Theater®
Shared: Platformer · 2D · 2D Platformer

Twin Shot Deluxe
Shared: Action · 2D Platformer · Platformer

Defy Gravity Extended
Shared: Platformer · Indie · Action

Oozi: Earth Adventure
Shared: Platformer · 2D Platformer · Action

KarmaZoo
Shared: Action · Platformer · 2D Platformer

Hollow Knight
Shared: Platformer · 2D · Indie

Skul: The Hero Slayer
Shared: Action · Indie · 2D

SpeedRunners
Shared: Platformer · Action · Indie

Intrusion 2
Shared: Action · Platformer · 2D