Games like StarArc Echo
Games like StarArc Echo include FINAL FANTASY XIV Online, The Elder Scrolls Online - Standard Edition, Blue Protocol: Star Resonance, ATLYSS, and Neverwinter. We matched them by the tags players give StarArc Echo on Steam (Massively Multiplayer, RPG, Adventure, Cute, and Cartoony): closest matches first, and among equally close ones the better-known games.

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

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

Blue Protocol: Star Resonance
Shared: Adventure · RPG · Massively Multiplayer

ATLYSS
Shared: RPG · Cute · Adventure

Neverwinter
Shared: RPG · Massively Multiplayer · Adventure

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

Guild Wars 2®
Shared: Adventure · RPG · Massively Multiplayer

Path of Exile 2
Shared: RPG · Action RPG · MMORPG

AION 2
Shared: Massively Multiplayer · MMORPG · Adventure

Diablo® IV
Shared: RPG · Action RPG · Massively Multiplayer

Ni no Kuni™ II: Revenant Kingdom
Shared: RPG · Adventure · JRPG

The Quinfall
Shared: Massively Multiplayer · RPG · MMORPG

Where Winds Meet
Shared: Adventure · Action RPG · Massively Multiplayer

Ys VIII: Lacrimosa of DANA
Shared: RPG · JRPG · Adventure

Temtem
Shared: RPG · Adventure · Massively Multiplayer

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

Black Desert
Shared: Action RPG · MMORPG · Massively Multiplayer

Granblue Fantasy: Relink
Shared: JRPG · Action RPG · Anime

Tales of ARISE
Shared: RPG · JRPG · Anime

Deaths Door
Shared: Cute · Cartoony · Adventure

Warframe
Shared: RPG · Massively Multiplayer · Action RPG

FINAL FANTASY XV WINDOWS EDITION
Shared: RPG · JRPG · Adventure

Monster Hunter: World
Shared: RPG · Adventure · Character Customization

SCARLET NEXUS
Shared: RPG · Adventure · JRPG