Games like Starborne: Frontiers - Expansion Pack
Games like Starborne: Frontiers - Expansion Pack include Warframe, Albion Online, Game of Thrones Winter is Coming, GWENT: The Witcher Card Game, and Marvel Rivals. We matched them by the tags players give Starborne: Frontiers - Expansion Pack on Steam (Strategy, Free to Play, RPG, Massively Multiplayer, and Downloadable Content): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Free to Play · RPG · Massively Multiplayer

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

Game of Thrones Winter is Coming
Shared: Free to Play · Strategy · Massively Multiplayer

GWENT: The Witcher Card Game
Shared: Free to Play · Strategy · RPG

Marvel Rivals
Shared: Free to Play · RPG · Strategy

Neverwinter
Shared: Free to Play · RPG · Massively Multiplayer

Guild Wars 2®
Shared: Free to Play · RPG · Massively Multiplayer

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

SMITE®
Shared: Free to Play · Strategy · Massively Multiplayer

Blood of Steel
Shared: Free to Play · Strategy · RPG

Once Human
Shared: Free to Play · Strategy · RPG

Where Winds Meet
Shared: Free to Play · Strategy · RPG

Arena Breakout: Infinite
Shared: Free to Play · Strategy · RPG

Idle Champions of the Forgotten Realms
Shared: Free to Play · Strategy · RPG

World of Warships
Shared: Free to Play · Strategy · Massively Multiplayer

Crusader Kings II
Shared: Strategy · RPG · Free to Play

Fate War
Shared: Strategy · RPG · Massively Multiplayer

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

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

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

Mount & Blade II: Bannerlord
Shared: Strategy · RPG

Dungeon Fighter Online
Shared: Free to Play · RPG · Massively Multiplayer

Magic: The Gathering Arena
Shared: Strategy · Free to Play · Free To Play

SpellForce 3 Versus Edition
Shared: Strategy · RPG · Free to Play