After a slow start to Chapter 7 in December, Fortnite has had a significant bump in its player count since the start of Season 3 in early June. The average number of concurrent players in Battle Royale nearly doubled month over month, going from 228,000 in May to over 433,000 in June, according to public data that was collected and aggregated by fortnite.gg. It appears as though Battle Royale’s new brainrot-inspired sprite-collection gameplay is working about as well as Epic…