Super Mega Baseball 2 allows cross-play between 4 platforms

Supported crossplay platforms
Release Date: May 1, 2018
Official Website: Link
Supported crossplay platforms:
Super Mega Baseball 2 is supporting cross-play across multiple platforms. Currently it is possible to play together with your friends on Windows PC, Playstation 4, XBox One and Nintendo Switch.
Summary:
The critically acclaimed, streamlined baseball simulator is headed for second. Lace up your cleats and step onto the field for the most gratifying hardball action. Build your dream team and dominate online or on your couch.

Supported game modes:
  • Single player
  • Multiplayer
  • Co-operative
  • Split screen
Supported player perspectives:
  • Third person