Today it was announced that everyone can now download Unreal Engine 4 in it’s entirety for free.
(Yes this is our obligatory Unreal Engine 4 news post) edit: (and now Ultra Fashionably Late)
After a quick signup, The engine (and even the whole source code) is yours to download.
There’s a plethora of cool things about Unreal Engine 4; here’s a few examples –
Instead of just getting the engine – and just the game engine – for free you get what Epic calls the “ecosystem” which is everything besides just the engine… if that makes sense to you.
That means you get access to the forums, if your especially bright and ambitious you could add to the wiki, you could join collaborative projects via git-hub, buy content from the marketplace as well as building your own and selling it there. (taken straight form Unrealengine.com)
Official News Post: https://www.unrealengine.com/blog/ue4-is-free
From ModDB: http://www.moddb.com/news/unreal-engine-4-is-now-free/#5125216
Some Games Using Unreal 4: (thanks GiantBomb!!):http://www.giantbomb.com/profile/wehrmacht/lists/games-using-unreal-engine-4/85929/