Games like HitBox
Games like HitBox include Marvel Rivals, Dota 2, Overwatch®, Rogue Company, and Team Fortress 2. We matched them by the tags players give HitBox on Steam (Action, Split Screen, Indie, Third-Person Shooter, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Marvel Rivals
Shared: Multiplayer · Third-Person Shooter · Free to Play

Dota 2
Shared: Multiplayer · Free to Play · Action

Overwatch®
Shared: Free to Play · Multiplayer · Third-Person Shooter

Rogue Company
Shared: Action · Multiplayer · Third-Person Shooter

Team Fortress 2
Shared: Action · Multiplayer · Free to Play

SMITE®
Shared: Action · Multiplayer · Free to Play

Counter-Strike 2
Shared: Action · Multiplayer · Competitive

SpeedRunners
Shared: Multiplayer · Indie · Action

Rocket League®
Shared: Multiplayer · Competitive · Action

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

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

Brawlhalla
Shared: Multiplayer · Free to Play · Action

Aimlabs
Shared: Action · Free to Play · Third-Person Shooter

The First Descendant
Shared: Free to Play · Third-Person Shooter · Multiplayer

TEKKEN 7
Shared: Action · Multiplayer · Competitive

Halo Infinite
Shared: Multiplayer · Action · Free to Play

Duck Game
Shared: Action · Multiplayer · Local Multiplayer

Move or Die
Shared: Action · Multiplayer · Indie

THE FINALS
Shared: Multiplayer · Free to Play · Action

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

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

Resident Evil 6
Shared: Action · Third-Person Shooter · Split Screen

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

World of Warships
Shared: Multiplayer · Free to Play · Third-Person Shooter