I'm developing an Action RPG from scratch using Unreal Engine 4. I switched recently from Unity due to UE4's source code access and vastly superior performance. Here's the progress with the dungeon generation so far.
First, I worked on implementing the Growing Tree algorithm with Unreal Blueprint. I learned a lot about maze generation algorithms from Jamis Buck and Think Labyrinth.
Tile Tests
I haven't decided what setting to use for the game yet. I'm experimenting with tile designs to see what looks good from a top-down perspective: