Games like Sphere 3
Games like Sphere 3 include Neverwinter, Destiny 2, Bless Unleashed, The Elder Scrolls Online - Standard Edition, and STAR WARS™: The Old Republic™. We matched them by the tags players give Sphere 3 on Steam (Free to Play, RPG, Massively Multiplayer, MMORPG, and Action): closest matches first, and among equally close ones the better-known games.

Neverwinter
Shared: Free to Play · RPG · MMORPG

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

Bless Unleashed
Shared: RPG · Free to Play · MMORPG

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

STAR WARS™: The Old Republic™
Shared: Free to Play · MMORPG · RPG

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

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

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

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

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

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

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

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

Marvel Rivals
Shared: Free to Play · Multiplayer · Action

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

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

Paladins®
Shared: Free to Play · Multiplayer · Action

Trove
Shared: Free to Play · MMORPG · Open World

Halo Infinite
Shared: Free to Play · Multiplayer · Action

STALZONE
Shared: Free to Play · MMORPG · Open World

Rust
Shared: Open World · Multiplayer · PvP

Monster Hunter: World
Shared: RPG · Action · Multiplayer

Karos
Shared: Free to Play · RPG · Massively Multiplayer

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Action · PvP