Games like Digimon Masters Online
Games like Digimon Masters Online include Neverwinter, Blue Protocol: Star Resonance, Where Winds Meet, The Elder Scrolls Online - Standard Edition, and Destiny 2. We matched them by the tags players give Digimon Masters Online on Steam (Free to Play, Anime, MMORPG, Massively Multiplayer, and Adventure): closest matches first, and among equally close ones the better-known games.

Neverwinter
Shared: Free to Play · MMORPG · Massively Multiplayer

Blue Protocol: Star Resonance
Shared: Anime · MMORPG · Free to Play

Where Winds Meet
Shared: Free to Play · Open World · Multiplayer

The Elder Scrolls Online - Standard Edition
Shared: MMORPG · RPG · Adventure

Destiny 2
Shared: Free to Play · MMORPG · Open World

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

Once Human
Shared: Free to Play · Open World · Action

Trove
Shared: Free to Play · MMORPG · Open World

Wuthering Waves
Shared: Anime · Free to Play · Open World

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

Guild Wars 2®
Shared: Free to Play · MMORPG · Adventure

DRAGON BALL XENOVERSE 2
Shared: Anime · Adventure · Massively Multiplayer

Monster Hunter: World
Shared: Action · RPG · Open World

FINAL FANTASY XIV Online
Shared: MMORPG · Massively Multiplayer · RPG

Warframe
Shared: Free to Play · RPG · Action

SMITE®
Shared: Free to Play · Action · MMORPG

Phantasy Star Online 2 New Genesis
Shared: Free to Play · MMORPG · Massively Multiplayer

Path of Exile
Shared: Free to Play · MMORPG · RPG

NTE: Neverness to Everness
Shared: Free to Play · Anime · RPG

Marvel Rivals
Shared: Free to Play · Multiplayer · Action

DragonSword : Awakening
Shared: Anime · Action · Adventure

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

KurtzPel
Shared: Free to Play · Anime · Action

Karos
Shared: Free to Play · MMORPG · Massively Multiplayer