Yes, royalties apply after $1 million, hence, not free. Plenty of small/medium studios use Unreal.
Free for educational purposes means it is not free, since the royalties still apply if the game is released.
Last time I checked, free means free.
Free for educational purposes means it is not free, since the royalties still apply if the game is released.
Last time I checked, free means free.
Epic is not claiming any rights on your IP.
Mario v1.3 typically means Mario 1 with some patches unless you’re kingdom hearts, so yes that is still the same game. I believe dlc is bundled into the parent game.