After Epic Games closed down Paragon to shift towards Fortnite Battle Royale. Many saw this as Epic putting too many eggs into the Battle Royale basket, chasing after PlayerUnknown's Battlegrounds success. But, after last weekend's report of over 3.5 million concurrent players. With Fortnite rocking the top charts week in, week out. Its easy to see the game has a good future. But, how did it get there?