I'm gonna wait for Steam version
Free work is ok if it's not-commercical project, such as modding for game. If it's commercical and they're going to make money off your work then it's unfair.
Unreal Engine 4: Winter Scene
A video of a winter scene in Unreal Engine 4 created by YouTube user Maverick. He used detailed models and minimal post processing effects. The winter foliages was done by Evermotion.
© Maverick, 2016 YouTube Link