Games like Rush Bros.
Games like Rush Bros. include SpeedRunners, Broforce, Cuphead, Awesomenauts, and Duck Game. We matched them by the tags players give Rush Bros. on Steam (Indie, Racing, Platformer, Action, and Music): closest matches first, and among equally close ones the better-known games.

SpeedRunners
Shared: Racing · Indie · Multiplayer

Broforce
Shared: Action · Platformer · Indie

Cuphead
Shared: Platformer · Indie · Local Co-Op

Awesomenauts
Shared: Platformer · Indie · Multiplayer

Duck Game
Shared: Multiplayer · Action · Indie

Geometry Dash
Shared: Music · Platformer · 2D

Move or Die
Shared: Multiplayer · Action · Indie

BattleBlock Theater®
Shared: Platformer · Multiplayer · Local Co-Op

Just Shapes & Beats
Shared: Music · Indie · Multiplayer

Streets of Rage 4
Shared: Indie · Action · 2D

BADLAND: Game of the Year Edition
Shared: Indie · Action · Platformer

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

Shank
Shared: Indie · Action · Platformer

Stick Fight: The Game
Shared: Multiplayer · Action · Local Multiplayer

Hollow Knight
Shared: Platformer · Indie · 2D

Rhythm Doctor
Shared: Music · Indie · Action

TowerFall Ascension
Shared: Indie · Action · Platformer

Rivals of Aether
Shared: Indie · Multiplayer · Platformer

Rocket League®
Shared: Racing · Multiplayer · Action

Rogue Legacy
Shared: Indie · Platformer · Action

Gang Beasts
Shared: Multiplayer · Action · Indie

Rayman® Legends
Shared: Platformer · Action · Local Co-Op

Rocketbirds: Hardboiled Chicken
Shared: Indie · Platformer · Action

Shank 2
Shared: Indie · Action · Local Co-Op