Games like Adventure Bit
Games like Adventure Bit include Broforce, SANABI, Cuphead, Shovel Knight: Treasure Trove, and BattleBlock Theater®. We matched them by the tags players give Adventure Bit on Steam (Action, Puzzle, Platformer, 2D Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · 2D · Platformer

SANABI
Shared: Action · 2D Platformer · 2D

Cuphead
Shared: Platformer · 2D · Co-op

Shovel Knight: Treasure Trove
Shared: Platformer · Action · 2D

BattleBlock Theater®
Shared: Platformer · 2D · Co-op

ElecHead
Shared: Puzzle · Platformer · Action

Out There Somewhere
Shared: Platformer · Puzzle · Action

Portal 2
Shared: Puzzle · Platformer · Action

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Katana ZERO
Shared: Action · Platformer · 2D Platformer

LIMBO
Shared: Puzzle · Platformer · 2D

Sonic Mania
Shared: Platformer · 2D · Action

BADLAND: Game of the Year Edition
Shared: Action · 2D · Platformer

Pikuniku
Shared: Puzzle · Action · Platformer

Moonleap
Shared: Puzzle · Platformer · Minimalist

UFO 50
Shared: Action · 2D · Retro

Human Fall Flat
Shared: Puzzle · Action · Co-op

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

Öoo
Shared: Puzzle · 2D Platformer · 2D

The Messenger
Shared: Platformer · Action · 2D

It Takes Two
Shared: Puzzle · Co-op · Local Co-Op

Planet of Lana
Shared: Action · Puzzle · 2D Platformer

Rocketbirds: Hardboiled Chicken
Shared: Action · Platformer · 2D

VVVVVV
Shared: Platformer · 2D Platformer · 2D