The concurrent player numbers for Fortnite continue to rise. Over the weekend, the number of concurrent players taking part in Battle Royale cruised past half a million. The game is approaching DOTA 2 numbers that hover around 700,000, but is significantly less than PlayerUnknown's Battlegrounds that nearly hit two million concurrent players over the same time period.
Battle Royal scored 525K concurrent users on Sunday and over 3.7M "daily active users" (DAU) in North America, EU and Oceania.
Source: Fortnite Twitter