Games like Fallen City Brawl
Games like Fallen City Brawl include Broforce, Streets of Rage 4, Teenage Mutant Ninja Turtles: Shredder's Revenge, Shank, and Rivals of Aether. We matched them by the tags players give Fallen City Brawl on Steam (Side Scroller, Action, Beat 'em up, 2D Fighter, and 2D): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · 2D · Pixel Graphics

Streets of Rage 4
Shared: Action · Beat 'em up · 2D

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Beat 'em up · Side Scroller · 2D

Shank
Shared: Action · Beat 'em up · Side Scroller

Rivals of Aether
Shared: 2D Fighter · Pixel Graphics · 2D

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

Stick It to the Stickman
Shared: Action · Beat 'em up · 2D Fighter

Shank 2
Shared: Action · Beat 'em up · Side Scroller

Kung Fury: Street Rage - Ultimate Edition
Shared: Beat 'em up · Action · Side Scroller

Double Dragon Gaiden: Rise Of The Dragons
Shared: Side Scroller · Beat 'em up · 2D

Castle Crashers®
Shared: 2D · Beat 'em up · Action

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

Skul: The Hero Slayer
Shared: Action · 2D · Pixel Graphics

TowerFall Ascension
Shared: Action · 2D Fighter · Pixel Graphics

One Finger Death Punch
Shared: Action · 2D Fighter · Beat 'em up

Scott Pilgrim vs. The World™: The Game – Complete Edition
Shared: Action · Beat 'em up · Pixel Graphics

Brawlhalla
Shared: 2D Fighter · Action · Controller

Crazy Flasher Series 2021
Shared: Action · Beat 'em up · 2D Fighter

99Vidas
Shared: Action · Beat 'em up · Pixel Graphics

Fight'N Rage
Shared: Action · Beat 'em up · 2D

MARVEL Cosmic Invasion
Shared: Beat 'em up · Side Scroller · Action

River City Girls
Shared: Action · Beat 'em up · Pixel Graphics

Bud Spencer & Terence Hill - Slaps And Beans
Shared: Action · Beat 'em up · Pixel Graphics

Gravity Circuit
Shared: Action · 2D · Pixel Graphics