Xbox Live Gold no longer needed in Free-to-Play games
On April 21st, Xbox removed the requirement for Xbox Live Gold membership on Free-to-Play titles and currently there's over 50 titles you can play for free online
Free-to-Play titles
Below you can see the current list of Free-to-Play titles with online 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
Source: Xbox.com