Unreal Engine 4 is now free. For everyone. Really — eurogamer.net

Unreal Engine 4 is now free for anyone to develop on, Epic Games has announced. So how's Epic going to make money on this, you ask? Simple: revenue off projects created with it. Here's how it works: When devs ship a product developed in Unreal Engine 4, they'll pay five per cent of the revenue they make after the first $3000 per quarter to Epic. So if a dev makes a game, but it only grosses $2900 in a quarter, that dev won't have to pay Epic a penny. If the game makes $13K, they'd owe five per cent of the $10K after the first $3K (so $500 in this instance).

Read More