Games like BitBattle
Games like BitBattle include Broforce, Duck Game, Super Meat Boy, Pizza Tower, and Celeste. We matched them by the tags players give BitBattle on Steam (Action, Multiplayer, Indie, Platformer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Multiplayer · Platformer

Duck Game
Shared: Multiplayer · Action · 2D

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

Pizza Tower
Shared: Indie · 2D Platformer · Platformer

Celeste
Shared: Indie · Platformer · 2D Platformer

Katana ZERO
Shared: Action · Platformer · Indie

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

The Messenger
Shared: Platformer · Action · Retro

ShellShock Live
Shared: Multiplayer · Action · 2D

VVVVVV
Shared: Indie · Platformer · 2D Platformer

Brawlhalla
Shared: Multiplayer · 2D Platformer · Platformer

Move or Die
Shared: Multiplayer · Action · Indie

Downwell
Shared: Indie · Platformer · Action

Stick Fight: The Game
Shared: Multiplayer · Action · 2D

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Action

SpeedRunners
Shared: Multiplayer · Indie · Action

Timberman
Shared: Indie · Multiplayer · Action

BattleBlock Theater®
Shared: Platformer · Multiplayer · 2D

Gravity Circuit
Shared: Action · Indie · Platformer

Cuphead
Shared: Platformer · Multiplayer · Indie

Superfighters Deluxe
Shared: Action · Multiplayer · Indie

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

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

Sonic Mania
Shared: Platformer · 2D · Action