Games like Hunter Hitman
Games like Hunter Hitman include BALL x PIT, PUBG: BATTLEGROUNDS, Children of the Sun, Risk of Rain 2, and Your Only Move Is HUSTLE. We matched them by the tags players give Hunter Hitman on Steam (Action, Strategy, 2D Fighter, Action Roguelike, and Arcade): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Action · Arcade · Action Roguelike

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Third-Person Shooter

Children of the Sun
Shared: Action · Strategy · Arcade

Risk of Rain 2
Shared: Action Roguelike · Action · Third-Person Shooter

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

Arma Reforger
Shared: Action · Shooter · Strategy

Nova Drift
Shared: Action Roguelike · Arcade · Shoot 'Em Up

SNKRX
Shared: Action Roguelike · Arcade · Shoot 'Em Up

Halo: Spartan Assault
Shared: Action · Strategy · Shooter

Arma 3
Shared: Action · Shooter · Strategy

Escape From Duckov
Shared: Action · Shooter · Top-Down Shooter

Grand Theft Auto V Legacy
Shared: Action · Shooter · Third-Person Shooter

Police Stories
Shared: Action · Strategy · Shooter

Hitman: Absolution
Shared: Action · Shooter · Third-Person Shooter

Shotgun King: The Final Checkmate
Shared: Strategy · Action Roguelike · Arcade

Zombieville USA 3D
Shared: Action · Arcade · Action Roguelike

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · Real Time Tactics · Action

Marvel Rivals
Shared: Action · Third-Person Shooter · Shooter

HELLDIVERS™ 2
Shared: Action · Shooter · Third-Person Shooter

Crab Champions
Shared: Action Roguelike · Arcade · Action

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Third-Person Shooter

Street Fighter™ 6
Shared: 2D Fighter · Action · Arcade

Door Kickers
Shared: Strategy · Action · Real Time Tactics

Octogeddon
Shared: Action · Action Roguelike · Strategy