Realm Royale released this week on Steam. I don't know if "released" is the proper terminology for game in "Alpha," but such is the way of gaming these days.
It's entirely a Fortnite clone, though I think they may prefer "Paladins spin-off." It's a battle royale game. It's hugely inspired by Fortnite. While gameplay is almost entirely like Fortnite, there are a few exceptions. Read on, you may be surprised.