Tileset, by 
In a community that sometimes seems to strive to produce the most beautiful landscapes and luxurious buildings, it takes some courage or at least ingenuity to aim for something bleak, desolate, and screwed. This is a mixture of War Torn (by theme and perspective), Casualty Mines (by palette and, in some places, shading), and just a little bit of Baltyville Sewers. The aliens from Future that have spent the last however many years hoping to go mainstream make another appearance here as well.
Standout artwork here includes the tentacles, the ruined walls that curve away from the camera, the cozy lumpy background cave, the intricately pixeled background hills/buildings, the bones, and the barbed wire. The green slime is colored and outlined well but is a bit off if you look at it too closely. Giant Dreempipes-style tubes are always cool and these are great examples of the form, with lots of cracks and bones and things to keep them from being nothing more than gradients.
Weaker elements include the pillowy garbage bin, the depthless floor texture, and honestly the palette, which is mostly a little too obvious and a little too discrete. The ruined buildings suffer the most here, looking for all the world like they use the sprite palette like in Shrunken Jazz. A soft tint to the tileset could help, to make the disparate elements blend together more, as could gradients that start and end in slightly different hues, so the player’s screen is a little less obviously a blotch of this color on top of a blotch of that color.
Right now, despite how comparatively unique they are, the ruined houses are letting the rest of the set down a bit—I also wonder if taking a trick from Haunted House would help, allowing some foreground walls for layer 3?—but this is a moody, elaborate, and downright innovative set with lots and lots of different options to try out, both the main elements (walls, caves, tubes, houses, slime, aliens) but also the sheer wealth of incidental drawings (tires, furniture, electrical poles, barbed wire…) to keep a level feeling fresh and interesting and not-machine-generated.
