Full Crossplay Support Comes to PS4 Starting With 'Fortnite

The open beta allows crossplay, progression, and commerce across the PS4, Android, iOS, Nintendo Switch, Xbox One, PC, and Mac platforms. 

Sony may change its stupid stance on Fortnite cross-play for PS4

Fortnite On PS4 Gets Cross-Play Support With Xbox One, Nintendo Switch, More

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Fortnite Battle Royale Is Coming to iOS and Android With Full Cross Play Support With PS4, PC - IGN

Why 'Fortnite' Gamers on Xbox Can't Join Their Friends on PlayStation - WSJ

Sony finally opens cross-play for Fortnite for the PS4 - GadgetMatch

Fortnite Cross-Platform Play Accidentally Activates Again

Fortnite PS4 Is Getting Cross-Play, Beta Starts Today

Epic Games Thinks PS4 And Xbox One Will Be Able To Play 'Fortnite Battle Royale' Together

An Epic cross-play journey: Paragon, Fortnite, and what comes next - Epic Online Services

OcUK Ultimate Crossplay Guide - Overclockers UK

Fortnite Cross-Platform Guide: Who You Can (And Can't) Play