Games like Squad Survivors - Rule-breakers
Games like Squad Survivors - Rule-breakers include Door Kickers: Action Squad, Stick Fight: The Game, One Finger Death Punch, SANABI, and My Friend Pedro. We matched them by the tags players give Squad Survivors - Rule-breakers on Steam (Action, 2D Fighter, Shooter, 2D Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Door Kickers: Action Squad
Shared: 2D Platformer · Action · Shooter

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

One Finger Death Punch
Shared: Action · 2D Fighter · Indie

SANABI
Shared: Action · 2D Platformer · 2D

My Friend Pedro
Shared: Action · Shooter · Indie

HELLDIVERS™ 2
Shared: Action · Online Co-Op · Shooter

ShellShock Live
Shared: Action · 2D · Shooter

Brawlhalla
Shared: 2D Fighter · 2D Platformer · Action

Call of Duty®
Shared: Shooter · Action · Singleplayer

Strike Force Heroes
Shared: Action · Shooter · 2D

KovaaK's
Shared: Action · Shooter · Indie

Katana ZERO
Shared: Action · 2D Platformer · Indie

Pizza Tower
Shared: 2D Platformer · Indie · Action

Left 4 Dead 2
Shared: Shooter · Action · Online Co-Op

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Online Co-Op

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

Broforce
Shared: Action · 2D · Shooter

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Singleplayer

Your Only Move Is HUSTLE
Shared: 2D Fighter · Action · 2D

How to Fish
Shared: Online Co-Op · Shooter · Indie

12 is Better Than 6
Shared: Action · Shooter · Indie

Exit the Gungeon
Shared: Action · Indie · 2D

Bright Memory: Infinite
Shared: Action · Shooter · Indie

Zombotron
Shared: Action · 2D · Shooter