Square Heroes allows cross-play between 2 platforms

Supported crossplay platforms
Release Date: Apr 9, 2015
Official Website: Link
Supported crossplay platforms:
Square Heroes is supporting cross-play across multiple platforms. Currently it is possible to play together with your friends on Windows PC and Playstation 4.
Summary:
Join the Galactic Tournament in this fast-paced comical action shooter. Level-up your Hero and unlock an arsenal of weapons. Lay waste to your friends and foes in local, LAN and online multiplayer matches, or hone your skills in single player and custom games.

Supported game modes:
  • Single player
  • Multiplayer
  • Co-operative