Games like Anarchy Online
Games like Anarchy Online include Neverwinter, Star Trek Online, Destiny 2, Albion Online, and Once Human. We matched them by the tags players give Anarchy Online on Steam (Free to Play, Massively Multiplayer, RPG, Sci-fi, and MMORPG): closest matches first, and among equally close ones the better-known games.

Neverwinter
Shared: Free to Play · RPG · Massively Multiplayer

Star Trek Online
Shared: Free to Play · Massively Multiplayer · Sci-fi

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

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

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

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

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

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

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

Warframe
Shared: Free to Play · RPG · Massively Multiplayer

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

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

Marvel Rivals
Shared: Free to Play · Multiplayer · Action

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

SMITE®
Shared: Free to Play · Action · MMORPG

Trove
Shared: Free to Play · MMORPG · Open World

Cyberpunk 2077
Shared: RPG · Open World · Sci-fi

Gloria Victis: Medieval MMORPG
Shared: Massively Multiplayer · MMORPG · RPG

Halo Infinite
Shared: Free to Play · Action · Multiplayer

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

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

The Quinfall
Shared: Massively Multiplayer · RPG · MMORPG

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

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