Games like MapleStory M
Games like MapleStory M include Neverwinter, The Elder Scrolls Online - Standard Edition, Guild Wars 2®, Blue Protocol: Star Resonance, and Albion Online. We matched them by the tags players give MapleStory M on Steam (Adventure, Casual, RPG, MMORPG, and Massively Multiplayer): closest matches first, and among equally close ones the better-known games.

Neverwinter
Shared: RPG · MMORPG · Adventure

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

Guild Wars 2®
Shared: Adventure · MMORPG · RPG

Blue Protocol: Star Resonance
Shared: MMORPG · Adventure · RPG

Albion Online
Shared: MMORPG · Massively Multiplayer · RPG

Destiny 2
Shared: MMORPG · Free to Play · PvE

Where Winds Meet
Shared: Adventure · Free to Play · Multiplayer

Star Trek Online
Shared: Massively Multiplayer · MMORPG · RPG

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

Temtem
Shared: RPG · Adventure · Co-op

Trove
Shared: MMORPG · Free to Play · RPG

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

Diablo® IV
Shared: RPG · Adventure · MMORPG

Brawlhalla
Shared: Casual · 2D Platformer · Free to Play

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

The Quinfall
Shared: Massively Multiplayer · RPG · MMORPG

Warframe
Shared: RPG · Free to Play · Massively Multiplayer

Wuthering Waves
Shared: Adventure · RPG · Anime

SMITE®
Shared: MMORPG · Free to Play · Multiplayer

Once Human
Shared: Free to Play · Adventure · Multiplayer

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

SWORD ART ONLINE Alicization Lycoris
Shared: Adventure · RPG · MMORPG

Warhammer 40,000: Space Marine 2
Shared: Adventure · Co-op · PvE

Monster Hunter: World
Shared: RPG · Adventure · Co-op