Atom Universe allows cross-play between 2 platforms

Supported crossplay platforms
Release Date: Mar 4, 2016
Official Website: Link
Supported crossplay platforms:
Atom Universe is supporting cross-play across multiple platforms. Currently it is possible to play together with your friends on Windows PC and Playstation 4.
Atom Universe is a Free-to-Play social Virtual World: a theme park featuring fun people and fun things: plenty of games, rides and amusements, as well as advanced social interactions.

Genres and Themes:
Supported game modes:
  • Multiplayer
  • Massively Multiplayer Online (MMO)