The PS4 exclusivity for Operation Spectre Rising has run out, and this new content is now also available for the Windows and Xbox One editions of Call of Duty: Black Ops 4. This includes the debut of Spectre in Multiplayer, a Wetworks map update and Bounty Hunter mode in Blackout, “Super Blood Wolf Moon” Gauntlet in Zombies, as well as new weapons and cosmetics. The Alcatraz map also returns to Blackout, and they celebrate all the news by awarding 2XP in Multiplayer, Zombies, and Blackout modes. Here's the overview of all the changes:

• Multiplayer
  • Spectre in MP and Blackout after unlocking Tier 1 in the Black Market (Xbox One/PC).
  • 3 Black Ops Pass Multiplayer maps: Masquerade, Artifact, and WMD (Xbox One/PC).
  • Prop Hunt gameplay improvements.
  • Featured Playlists:
    • Earn 2XP in Map Pack Moshpit through 10AM PT Friday, May 10.
    • PS4: Map Pack Moshpit, Prop Hunt, Barebones Moshpit, Deathmatch Domination, Mercenary Deathmatch Moshpit.
    • Xbox One: Map Pack Moshpit, Infected, Barebones Moshpit, Deathmatch Domination, Mercenary Deathmatch Moshpit.
    • PC: Map Pack Moshpit, Infected, Barebones Moshpit.
• World League Hub
  • Restricted Tigershark LMG.
• Blackout
  • “Wetworks” map update now live in Blackout, flooding large portions of the main map (Xbox One/PC).
    • "Wetworks" map now available in Custom Games.
  • Bounty Hunter mode now live in Blackout (Xbox One/PC).
    • Earn 2X Merits in Bounty Hunter through 10AM PT Friday, May 10.
  • DART now available to find and equip in Blackout (Xbox One/PC).
  • Uncle Frank character now playable with the Black Ops Pass (Xbox One/PC).
  • Tuning changes to Spectre in Bounty Hunter.
  • Alcatraz returns to Blackout on all platforms.
• Zombies
  • New “Super Blood Wolf Moon” Gauntlet (Xbox One/PC).
  • Earn 2XP in “Super Blood Wolf Moon” through 10AM PT Friday, May 10.
  • New Tigershark LMG added to Mystery Box (Xbox One/PC).
• Black Market
  • 50 Tiers with new Contraband items to earn (Xbox One/PC).
  • New Death Effects and Weapon Charm item types added (Xbox One/PC).
  • New weapons in the Contraband stream: Tigershark LMG and Nifo'Oti melee weapon (Xbox One/PC).