Games like Zone4
Games like Zone4 include Brawlhalla, KurtzPel, Marvel Rivals, NARAKA: BLADEPOINT, and GrandChase. We matched them by the tags players give Zone4 on Steam (Free to Play, Action, Fighting, RPG, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Brawlhalla
Shared: Free to Play · Fighting · Multiplayer

KurtzPel
Shared: Free to Play · Action · Multiplayer

Marvel Rivals
Shared: Free to Play · Multiplayer · Action

NARAKA: BLADEPOINT
Shared: Action · Multiplayer · PvP

GrandChase
Shared: Free to Play · Action · PvP

DRAGON BALL XENOVERSE 2
Shared: Fighting · Action · Anime

NARUTO TO BORUTO: SHINOBI STRIKER
Shared: Action · Fighting · Multiplayer

SMITE®
Shared: Free to Play · Action · Multiplayer

Neverwinter
Shared: Free to Play · RPG · Action

Destiny 2
Shared: Free to Play · Multiplayer · PvP

Warframe
Shared: Free to Play · Action · RPG

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

Delta Force
Shared: Free to Play · Multiplayer · Action

Once Human
Shared: Free to Play · Action · Multiplayer

Albion Online
Shared: Free to Play · RPG · Multiplayer

Dungeon Fighter Online
Shared: Free to Play · RPG · Anime

DRAGON BALL Z: KAKAROT
Shared: Action · RPG · Fighting

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

Paladins®
Shared: Free to Play · Multiplayer · Action

War Thunder
Shared: Free to Play · Action · Multiplayer

NARUTO SHIPPUDEN: Ultimate Ninja STORM 4
Shared: Action · Fighting · Multiplayer

DRAGON BALL FighterZ
Shared: Fighting · Action · Multiplayer

The First Descendant
Shared: Free to Play · Multiplayer · Action

World of Warships
Shared: Free to Play · Multiplayer · PvP