Frozen Synapse allows cross-play between 5 platforms

Supported crossplay platforms
Release Date: May 26, 2011
Official Website: Link
Summary:
Frozen Synapse is a thrilling PC, Mac, Linux and tablet (iOS/Android) strategy game. It brings the simultaneous turn-based strategy genre bang up-to-date and lets you give detailed, accurate orders to your squad. Classic gameplay with a modern interface!
Genres and Themes: Strategy Turn-based strategy (TBS) Tactical Indie Science fiction
Supported crossplay platforms:
Frozen Synapse is supporting cross-play across multiple platforms. Currently it is possible to play together with your friends on Windows PC, Android, iOS, Linux and Mac.
Supported game modes:
  • Single player
  • Multiplayer
Supported player perspectives:
  • Bird view