Games like 9Dragons
Games like 9Dragons include Neverwinter, NARAKA: BLADEPOINT, KurtzPel, Warframe, and Blue Protocol: Star Resonance. We matched them by the tags players give 9Dragons on Steam (Free to Play, Massively Multiplayer, RPG, Martial Arts, and Action): closest matches first, and among equally close ones the better-known games.

Neverwinter
Shared: Free to Play · RPG · Massively Multiplayer

NARAKA: BLADEPOINT
Shared: Martial Arts · PvP · Massively Multiplayer

KurtzPel
Shared: Free to Play · Anime · PvP

Warframe
Shared: Free to Play · RPG · Massively Multiplayer

Blue Protocol: Star Resonance
Shared: Free to Play · RPG · Action

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

Dota 2
Shared: Free to Play · Action · PvP

Marvel Rivals
Shared: Free to Play · PvP · Action

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

Dungeon Fighter Online
Shared: Free to Play · RPG · Massively Multiplayer

Where Winds Meet
Shared: Free to Play · Martial Arts · Massively Multiplayer

Guild Wars 2®
Shared: Free to Play · RPG · Massively Multiplayer

Spiral Knights
Shared: Free to Play · Massively Multiplayer · RPG

SMITE®
Shared: Free to Play · Action · PvP

VRChat
Shared: Free to Play · Massively Multiplayer · Anime

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

Summoners War: Chronicles
Shared: Free to Play · RPG · Massively Multiplayer

The Elder Scrolls Online - Standard Edition
Shared: RPG · Fantasy · Massively Multiplayer

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

Paladins®
Shared: Free to Play · Action · PvP

Wuthering Waves
Shared: Free to Play · RPG · Action

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

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

GrandChase
Shared: Free to Play · Action · PvP

