"The main reason A Total War Saga: Thrones of Britannia failed is that it was not Total War: Medieval 3, which for many fans of the series was reason enough to review bomb it into oblivion."
Although innovative, Darwin Project failed to attract a sustainable audience before and is essentially dead on all platforms.
Spacelords is weirdly sexual to the point of being distracting, and I feel this aesthetic is largely responsible for its low player count and lack of wider community acceptance.
Games should not be developed purely to "fill a gap" until a better title comes along, and Outlaws of the Old West and its spectacular spiral into obscurity is ample proof of that.
Factorio and Satisfactory are incredibly similar mechanically and share a similar gameplay loop; however visually they could not be less alike, today let's put these games head to head and see who comes out on top.