Overwatch will allow cross-play between 6 platforms

Overwatch
Release Date: May 24, 2016
Official Website: Link
Also known as:
  • オーバーウォッチ
  • 守望先锋
  • 鬥陣特攻
  • 오버워치
  • play of the game
  • Overwatch: Origins Edition
  • 옵치
Supported game modes:
  • Multiplayer
Supported player perspectives:
  • First person
Crossplay platforms:
Overwatch will support cross-play across multiple platforms. It will be possible to play together with your friends on Playstation 5, XBox Series S/X, Playstation 4, XBox One, Nintendo Switch and Windows PC. Please check out all the details on the game's official website!
Cross-Platform Combination Details:
Source: Link
Additional Info: All console players will be required to make a Battle.net account and link it to their console (Xbox, PSN, Nintendo) account. PC players do not need to take this step.
Summary:
Join the fight for the future in the world of Overwatch and choose your hero from a diverse cast of soldiers, scientists, adventurers, and oddities. Bend time, defy physics, and unleash a dizzying array of extraordinary powers and weapons. Engage your enemies in iconic locations from around the globe in the ultimate team-based shooter.
Soldiers. Scientists. Adventurers. Oddities. In a time of global crisis, an international task force of heroes banded together to restore peace to a war-torn world: OVERWATCH. It ended the crisis and helped to maintain peace in the decades that followed, inspiring an era of exploration, innovation, and discovery. But after many years, Overwatch's influence waned, and it was eventually disbanded. Overwatch is gone… but the world still needs heroes.
Screenshots:
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Artworks:
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Overwatch is also known as:
  • オーバーウォッチ
  • 守望先锋
  • 鬥陣特攻
  • 오버워치
  • play of the game
  • Overwatch: Origins Edition
  • 옵치
Supported game modes:
  • Multiplayer
Supported player perspectives:
  • First person