The full list of more than 50 free-to-play games (Multiplayer)

• 3on3 FreeStyle
  Aegis Wing
  APB Reloaded
  Apex Legends
  Armored Warfare
  Battle Islands: Commanders
  Bless Unleashed
  Brawlhalla
  Call of Duty: Warzone
  Crackdown
  Crackdown 2
  Crimson Alliance
  Crossout
  CRSED: F.O.A.D.
  Darwin Project
  Dauntless
  DC Universe Online
  Dead or Alive 5 Last Round: Core Fighters
  Dead or Alive 6: Core Fighters
  Defiance 2050
  Destiny 2
  Doritos Crash Course
  Dungeon Defenders II
  Enlisted
  Eternal Card Game
  Family Game Night
  Fishing Planet
  Fortnite
  Galaxy Control: Arena
  Happy Wars
  Harm’s Way
  Hawken
  Hyper Scape
  Killer Instinct
  Korgan
  Minion Masters
  Neverwinter
  Outriders (Demo)
  Paladins
  Path of Exile
  Phantasy Star Online 2
  Phantom Dust
  Pinball FX2
  Prominence Poker
  Realm Royale
  Rec Room
  Resident Evil Revelations 2
  ROBLOX
  Rocket League
  Rogue Company
  Skyforge
  SMITE
  Spacelords
  Spellbreak
  Star Trek Online
  Techwars Global Conflict
  TERA
  The Four Kings Casino and Slots
  Too Human
  Trove
  Vigor
  War Thunder
  Warface
  Warframe
  World of Tanks
  World of Warships: Legends
  Yaris

https://news.xbox.com/en-us/2021/04/21/online-multiplayer-free-to-play-games-unlocked/