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.
Visitors of Gamescom 2016 event were treated with brand new footage of Gears of War 4 video game. It shows JD, Kait and Del chasing after an enemy at an old fort. It starts in an abandoned church that has become a nest for a new kind of monsters. Luckily, the team has found a couple of weapons, including a saw disk gun and a grenade launcher to fight them off.
© Xbox, 2016 YouTube Link