Games like B.ARK
Games like B.ARK include Broforce, Guns, Gore & Cannoli, METAL SLUG, METAL SLUG 3, and Guns, Gore and Cannoli 2. We matched them by the tags players give B.ARK on Steam (Action, Hand-drawn, Shooter, Side Scroller, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Co-op · Shooter

Guns, Gore & Cannoli
Shared: Action · Co-op · Side Scroller

METAL SLUG
Shared: Action · Side Scroller · Arcade

METAL SLUG 3
Shared: Action · Co-op · Arcade

Guns, Gore and Cannoli 2
Shared: Action · Co-op · Side Scroller

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

METAL SLUG X
Shared: Action · Co-op · Arcade

Cuphead
Shared: Co-op · Hand-drawn · 2D

Huntdown
Shared: Action · Shooter · Side Scroller

Left 4 Dead 2
Shared: Co-op · Action · Shooter

Alex Jones: NWO Wars
Shared: Action · Shooter · Arcade

METAL SLUG 2
Shared: Action · Side Scroller · Arcade

PAYDAY 2
Shared: Action · Co-op · Shooter

Alien Hominid HD
Shared: Action · Hand-drawn · Side Scroller

Blazing Chrome
Shared: Action · Side Scroller · Shoot 'Em Up

Borderlands 2
Shared: Action · Shooter · Co-op

GIBZ
Shared: Side Scroller · Shoot 'Em Up · Co-op

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Co-op

ZeroRanger
Shared: Action · Shoot 'Em Up · Shooter

HELLDIVERS™ 2
Shared: Action · Shooter · Co-op

Contra: Operation Galuga
Shared: Action · Shooter · Arcade

Castle Crashers®
Shared: Co-op · 2D · Action

METAL SLUG XX
Shared: Action · Shooter · 2D

Jets'n'Guns 2
Shared: Action · Shoot 'Em Up · Side Scroller