Games like The Paper Arcade
Games like The Paper Arcade include Huntdown, Broforce, Guns, Gore & Cannoli, PUBG: BATTLEGROUNDS, and ShellShock Live. We matched them by the tags players give The Paper Arcade on Steam (Side Scroller, Shoot 'Em Up, Collectathon, Shooter, and Point & Click): closest matches first, and among equally close ones the better-known games.

Huntdown
Shared: Side Scroller · Shooter · Shoot 'Em Up

Broforce
Shared: Side Scroller · Action · Shooter

Guns, Gore & Cannoli
Shared: Side Scroller · Shoot 'Em Up · Action

PUBG: BATTLEGROUNDS
Shared: Shooter · PvP · Action

ShellShock Live
Shared: Strategy · Shooter · 2D

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

METAL SLUG
Shared: Side Scroller · Shoot 'Em Up · Arcade

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

Alex Jones: NWO Wars
Shared: Shoot 'Em Up · Side Scroller · Shooter

Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Shooter · Arcade

METAL SLUG 3
Shared: Side Scroller · Arcade · Shooter

Your Only Move Is HUSTLE
Shared: Strategy · Side Scroller · Action

Counter-Strike: Source
Shared: Shooter · PvP · Action

METAL SLUG X
Shared: Shoot 'Em Up · Arcade · Side Scroller

DRAINUS
Shared: Shoot 'Em Up · Shooter · Side Scroller

Guns, Gore and Cannoli 2
Shared: Side Scroller · Shoot 'Em Up · Shooter

Kero Blaster
Shared: Side Scroller · Shoot 'Em Up · Shooter

Revolution Ace
Shared: Shoot 'Em Up · Shooter · Action

Streets of Rage 4
Shared: Side Scroller · Arcade · Action

METAL SLUG 2
Shared: Side Scroller · Shoot 'Em Up · Arcade

Warhammer 40,000: Shootas, Blood & Teef
Shared: Side Scroller · PvP · Shoot 'Em Up

LUFTRAUSERS
Shared: Shoot 'Em Up · Arcade · Action

Starblast
Shared: Shoot 'Em Up · Arcade · Shooter

Sine Mora EX
Shared: Side Scroller · Shoot 'Em Up · PvP