Games like Hitmen Havoc
Games like Hitmen Havoc include Stick Fight: The Game, Brawlhalla, ROUNDS, Gang Beasts, and Rivals of Aether. We matched them by the tags players give Hitmen Havoc on Steam (Multiplayer, Action, Fighting, 2D Fighter, and Funny): closest matches first, and among equally close ones the better-known games.

Stick Fight: The Game
Shared: Multiplayer · Fighting · Action

Brawlhalla
Shared: Multiplayer · Fighting · 2D Fighter

ROUNDS
Shared: Multiplayer · Fighting · 2D Fighter

Gang Beasts
Shared: Multiplayer · Action · Funny

Rivals of Aether
Shared: Fighting · Multiplayer · 2D Fighter

Counter-Strike 2
Shared: Multiplayer · Action · PvP

Duck Game
Shared: Multiplayer · Action · Funny

Party Animals
Shared: Multiplayer · Funny · Fighting

DRAGON BALL FighterZ
Shared: Fighting · Action · Multiplayer

SpiderHeck
Shared: 2D Fighter · Fighting · Physics

Garry's Mod
Shared: Multiplayer · Physics · Funny

Street Fighter™ 6
Shared: Fighting · 2D Fighter · Multiplayer

Skullgirls 2nd Encore
Shared: Fighting · 2D Fighter · Multiplayer

Mortal Kombat 11
Shared: Multiplayer · Fighting · Action

Broforce
Shared: Action · Multiplayer · 2D

Move or Die
Shared: Multiplayer · Action · Funny

Rivals of Aether II
Shared: Multiplayer · Fighting · 2D Fighter

Human Fall Flat
Shared: Multiplayer · Funny · Physics

GUILTY GEAR -STRIVE-
Shared: Fighting · 2D Fighter · Multiplayer

SpeedRunners
Shared: Multiplayer · Action · Indie

Tom Clancy's Rainbow Six Siege
Shared: Multiplayer · PvP · Action

Bopl Battle
Shared: Multiplayer · Action · 2D Fighter

DRAGON BALL: Sparking! ZERO
Shared: Multiplayer · Action · Fighting

Mortal Kombat X
Shared: Fighting · Action · Multiplayer