Games like Unruly Heroes
Games like Unruly Heroes include Castle Crashers®, Absolum, Broforce, Streets of Rage 4, and Brawlhalla. We matched them by the tags players give Unruly Heroes on Steam (Action-Adventure, Beat 'em up, Action, 2D Platformer, and 4 Player Local): closest matches first, and among equally close ones the better-known games.

Castle Crashers®
Shared: Beat 'em up · Co-op · 2D

Absolum
Shared: Beat 'em up · Action · Local Co-Op

Broforce
Shared: Action · Co-op · Local Co-Op

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

Brawlhalla
Shared: 2D Platformer · Action · Co-op

Cuphead
Shared: Co-op · Local Co-Op · Platformer

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Beat 'em up · Action-Adventure · Side Scroller

Trine 2: Complete Story
Shared: Action-Adventure · 2D Platformer · Co-op

Shank 2
Shared: Beat 'em up · Action · Local Co-Op

SANABI
Shared: Action · 2D Platformer · Action-Adventure

Rayman® Legends
Shared: Action · Local Co-Op · Co-op

Shank
Shared: Beat 'em up · Action · Local Co-Op

BattleBlock Theater®
Shared: Co-op · Platformer · Local Co-Op

Trine Enchanted Edition
Shared: Action-Adventure · 2D Platformer · Local Co-Op

Sonic Superstars
Shared: Action · 2D Platformer · Action-Adventure

Warhammer 40,000: Space Marine 2
Shared: Action · Co-op · Action-Adventure

Battletoads
Shared: Action · Beat 'em up · Co-op

Guacamelee! 2
Shared: Action · Local Co-Op · Beat 'em up

Spelunky 2
Shared: 2D Platformer · Co-op · Platformer

Guacamelee! Super Turbo Championship Edition
Shared: Beat 'em up · Action · Platformer

A Way Out
Shared: Co-op · Action-Adventure · Action

It Takes Two
Shared: Co-op · Local Co-Op · Action-Adventure

Charlie Murder
Shared: Beat 'em up · Action · Co-op

Trine 5: A Clockwork Conspiracy
Shared: Action · Action-Adventure · 2D Platformer