Idols, fog, and ichor
The idols carry meaning, the walls blend stone and erosion, and ichor blooms on the dead.

Idols, not set dressing
Watt Studio's 21 February 2026 post is about atmosphere, and it names one object as the load-bearing piece: the idols. Wooden, ominous, carved with symbols nobody in the game explains.
They are not set dressing, and the write-up is clear about that. They give the world meaning, add mystery, and carry the depth of the story. A design claim, so read them as markers rather than props.
Fog, and its job
Levels are described as shadowy and fog-filled. Every object and every sound is there to hold tension.
This is a common line in game marketing, but the post pairs it with a specific intent: the feeling of a real fairy tale that has a dark side. Not horror, and not whimsy. The tension between the two.
Five layers of wear
A separate showcase from 18 December 2025 goes technical. The walls use a multilayer material that blends stone, dust, moisture, erosion, and hand-painted detail into one surface.
The layers respond to lighting, camera angle, and local accents. The studio's phrase is that walls should feel less like geometry and more like part of the world's memory.
The mechanical reason the corridors read as old rather than tiled.
Ichor
The red substance shows up in the trailers and in the comic. A 2 May 2026 trailer post describes it as stones that bloom on the bodies of the dead and offer power to anyone willing to part with their soul.
The 24 March 2026 comic post frames the same idea as a temptation: at first an opportunity, then a tool, then a question about how much you are willing to give.
Both are the studio's own framing, and the comic and the price is where that argument is laid out. Neither post turns it into a mechanic with numbers.
Koschei, built into the scenery
The level design post adds the story layer to all of this. The environment shows Koschei's influence spreading across the Underworld. In some places his statues are still under construction. In other places his castles already stand above the land.
Progression told through props, which is why the scenery is worth reading rather than running past.
Missing from this page
No location list, no map, no collectible count. The studio has not published those.
The level structure this art sits in is on arenas, platforming, exploration. The soundtrack argument is here.