Games like Gravity Heroes
Games like Gravity Heroes include Broforce, Huntdown, Katana ZERO, Door Kickers: Action Squad, and SANABI. We matched them by the tags players give Gravity Heroes on Steam (Pixel Graphics, 2D Platformer, Action, Shoot 'Em Up, and 4 Player Local): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Pixel Graphics · Action · Local Co-Op

Huntdown
Shared: Pixel Graphics · Action · Shoot 'Em Up

Katana ZERO
Shared: Pixel Graphics · Action · 2D Platformer

Door Kickers: Action Squad
Shared: Pixel Graphics · 2D Platformer · Action

SANABI
Shared: Pixel Graphics · Action · 2D Platformer

Duck Game
Shared: Pixel Graphics · Action · 4 Player Local

Blazing Chrome
Shared: Pixel Graphics · Action · Shoot 'Em Up

Celeste
Shared: Pixel Graphics · 2D Platformer · Indie

Downwell
Shared: Pixel Graphics · 2D Platformer · Action

Pizza Tower
Shared: 2D Platformer · Pixel Graphics · Action

Alex Jones: NWO Wars
Shared: Action · 2D Platformer · Shoot 'Em Up

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

Bit Blaster XL
Shared: Shoot 'Em Up · Action · Arcade

Gravity Circuit
Shared: Action · Pixel Graphics · 2D Platformer

Super Meat Boy
Shared: 2D Platformer · Pixel Graphics · 2D

ZeroRanger
Shared: Shoot 'Em Up · Pixel Graphics · Action

Exit the Gungeon
Shared: Action · Pixel Graphics · Arcade

UFO 50
Shared: Pixel Graphics · Action · Arcade

Vampire Survivors
Shared: Pixel Graphics · 2D · Action

LUFTRAUSERS
Shared: Pixel Graphics · Action · Shoot 'Em Up

Spelunky 2
Shared: 2D Platformer · Local Co-Op · 4 Player Local

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · 2D

METAL SLUG
Shared: Action · Shoot 'Em Up · Arcade

TowerFall Ascension
Shared: Action · Pixel Graphics · Local Co-Op