Xbox Boss Wants Fortnite PS4 / Xbox One Cross-Play, Developer Agrees - GameSpot

Phil Spencer says he wants PS4 and Xbox One gamers to play together; Sony won't allow it.
In Fortnite, players and their friends lead a group of Heroes to reclaim and rebuild a homeland that has been left empty by a mysterious darkness only known as “the Storm.”

PlayStation 4 finally allows Switch and Xbox cross-play with Fortnite beta

E3 2018: Fortnite Cross-Play On Switch Supports Xbox One, PC, And Mobile--Not PS4 - GameSpot

Fortnite: Save the World - Wikipedia

XBOX – DJMMT's Gaming (& More) Blog

If you're on Xbox please don't change anything so you can only play against other Xbox players only. It's been so fun for me lately : r/FortNiteBR

Married to the Games

Success Involves More Than Just Xbox One Sales To Microsoft's Phil Spencer - GameSpot

Xbox Live Gamertag Lookup

Fortnite may be getting its own PS4 bundle with a special skin and free V-Bucks