Update: The success has caused a few issues as the game is currently having matchmaking issues. Read about it at the link.

Fortnite’s latest update made one of their modes, Battle Royale, free-to-play. That seems to have paid off, as Epic Games has announced in just 24 hours that 1 million players has already played the new mode. That’s quite a quick player boost!
Here’s the Fortnite tweet about the milestone:
Over 1 million players have partied on the Battle Bus during the first day of Battle Royale! Thank you and party on! pic.twitter.com/Tdqnk8YClb
— Fortnite (@FortniteGame) September 27, 2017

We also have an overview of Fortnite’s Battle Royale mode, if you want to give it a try:
What?s Fortnite Battle Royale"
It?s a 100-player PvP mode in Fortnite that will be free for everybody on Sept. 26. One giant map. A battle bus. Fortnite building skills and destructible environments combined with intense PvP combat. The last one standing wins.
So, what?s the catch" 

No catch. Fortnite Battle Royale is free and we will not sell items that give a competitive advantage. At some point in the future we will sell other things including cosmetics or compendium-like content.
Squads are Coming!

On September 26, Fortnite Battle Royale will introduce squads. Also, we?re working to improve the feel of combat, controls, weapons, movement and inventory.
?Save the World? PvE Updates

Fortnite?s ?Save the World? PvE campaign remains in paid ...