Games like Battle Arena
Games like Battle Arena include Warframe, War Thunder, Delta Force, Marvel Rivals, and Once Human. We matched them by the tags players give Battle Arena on Steam (Free to Play, Action, and Massively Multiplayer): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Free to Play · Action · Massively Multiplayer

War Thunder
Shared: Free to Play · Action · Massively Multiplayer

Delta Force
Shared: Free to Play · Massively Multiplayer · Action

Marvel Rivals
Shared: Free to Play · Action · Massively Multiplayer

Once Human
Shared: Free to Play · Action · Massively Multiplayer

Neverwinter
Shared: Free to Play · Massively Multiplayer · Action

Dota 2
Shared: Free to Play · Action · Free To Play

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

SMITE®
Shared: Free to Play · Action · Massively Multiplayer

Enlisted
Shared: Free to Play · Action · Massively Multiplayer

Paladins®
Shared: Free to Play · Action · Free To Play

Star Trek Online
Shared: Free to Play · Massively Multiplayer · Action

Destiny 2
Shared: Free to Play · Massively Multiplayer · Action

Apex Legends™
Shared: Free to Play · Action · Free To Play

KurtzPel
Shared: Free to Play · Action · Massively Multiplayer

Blue Protocol: Star Resonance
Shared: Action · Free to Play · Massively Multiplayer

Elsword
Shared: Free to Play · Action · Massively Multiplayer

NARAKA: BLADEPOINT
Shared: Action · Massively Multiplayer · Free to Play

ArcheBlade™
Shared: Free to Play · Action · Massively Multiplayer

AION 2
Shared: Free to Play · Massively Multiplayer · Action

BLOCKPOST LEGACY
Shared: Free to Play · Action · Massively Multiplayer

Albion Online
Shared: Free to Play · Massively Multiplayer · Free To Play

Mecha BREAK
Shared: Free to Play · Action · Massively Multiplayer

VRChat
Shared: Free to Play · Massively Multiplayer · Free To Play