Atom Universe will allow cross-play between 2 platforms

Atom Universe
Release Date: Mar 4, 2016
Official Website: Link
Supported game modes:
  • Multiplayer
  • Massively Multiplayer Online (MMO)
Crossplay platforms:
Atom Universe will support cross-play across multiple platforms. It will be possible to play together with your friends on Playstation 4 and Windows PC. Please check out all the details on the game's official website!
Cross-Platform Combination Details:
Source: Link
Additional Info: none
Summary:
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:

Screenshots:
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Supported game modes:
  • Multiplayer
  • Massively Multiplayer Online (MMO)