It's all done in Unreal Engine 4, which is great because you don't need to worry so much about all the cross-platform stuff. The assets are done in Gaea for ter

It's all done in Unreal Engine 4, which is great because you don't need to worry so much about all the cross-platform stuff. The assets are done in Gaea for terrain, Blender for models, Illustrator for icons and Photoshop for some more texture work