Games like Mini Arenas
Games like Mini Arenas include Broforce, Stick Fight: The Game, Pixel Gun 3D: PC Edition, Duck Game, and Rivals of Aether. We matched them by the tags players give Mini Arenas on Steam (Action, 2D Fighter, Shooter, Arena Shooter, and 2D): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Pixel Graphics · 2D

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

Pixel Gun 3D: PC Edition
Shared: Shooter · Action · Pixel Graphics

Duck Game
Shared: Action · Pixel Graphics · 2D

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

Counter-Strike 2
Shared: Shooter · Action · Multiplayer

Strike Force Heroes
Shared: Action · Shooter · Arena Shooter

ROUNDS
Shared: 2D Fighter · Action · Multiplayer

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

Battlefield™ 6
Shared: Action · Shooter · Multiplayer

Borderlands 2
Shared: Action · Shooter · Multiplayer

Battlefield™ 2042
Shared: Shooter · Action · Multiplayer

DRAGON BALL FighterZ
Shared: Action · 2D Fighter · Local Multiplayer

THE FINALS
Shared: Shooter · Action · Multiplayer

Bopl Battle
Shared: 2D Fighter · Action · Multiplayer

Brawlhalla
Shared: 2D Fighter · Multiplayer · Action

Nidhogg
Shared: 2D Fighter · Pixel Graphics · Local Multiplayer

Grand Theft Auto V Legacy
Shared: Action · Shooter · Multiplayer

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Multiplayer

TowerFall Ascension
Shared: 2D Fighter · Action · Local Multiplayer

Arma 3
Shared: Action · Shooter · Multiplayer

THE KING OF FIGHTERS 2002 UNLIMITED MATCH
Shared: Action · 2D Fighter · Multiplayer

GUILTY GEAR -STRIVE-
Shared: 2D Fighter · Action · 2D

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Multiplayer