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

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

Warframe
Shared: Free to Play · Massively Multiplayer · RPG

Neverwinter
Shared: Free to Play · Massively Multiplayer · MMORPG

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

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

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

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

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

Halo Infinite
Shared: Free to Play · Multiplayer · Sci-fi

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

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

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

Blue Protocol: Star Resonance
Shared: Free to Play · MMORPG · Massively Multiplayer

Starfield
Shared: Space · Sci-fi · Open World

Elite Dangerous
Shared: Space · Sci-fi · Massively Multiplayer

Marvel Rivals
Shared: Free to Play · Multiplayer · Massively Multiplayer

The First Descendant
Shared: Free to Play · Multiplayer · RPG

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

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

SMITE®
Shared: Free to Play · Multiplayer · MMORPG

Warhammer 40,000: Space Marine 2
Shared: Multiplayer · Sci-fi · Action

DRAGON BALL XENOVERSE 2
Shared: Massively Multiplayer · Character Customization · Multiplayer

STALZONE
Shared: Free to Play · MMORPG · Open World

Apex Legends™
Shared: Free to Play · Multiplayer · Sci-fi