The Floorsland Reborn
It's a remake of the third and the fourth game from the series. It adds an actual plot, more details and continuity, much like The Floorsland Origins did for the first two games.
The game's engine is fully rewritten from scratch, which makes it way more stable than any of the prvious Floorsland games. The full version was released on August 16, 2017 and can be played on Newgrounds.
Aside from the full release, a demo version was released on January 6, 2017 and can be played here.