Exorder will allow cross-play between 4 platforms

Exorder
Crossplay platforms
Release Date: Mar 19, 2018
Official Website: Link
Crossplay platforms:
Exorder will support cross-play across multiple platforms. It will be possible to play together with your friends on Windows PC, Nintendo Switch, Linux and Mac. Please check out all the details on the game's official website!
Summary:
Exorder is a tactical, turn-based strategy game from Fat Dog Games.

Genres and Themes: Strategy Indie
Screenshots:
Supported game modes:
  • Single player
  • Multiplayer
Supported player perspectives:
  • Bird view