What makes .44 unique among its siblings (.41 through .43 were scrapped) is a controversial design choice: negative drag coefficients.

In the real world, air resistance slows water. In Katya y111, the base of the waterfall accelerates faster than the top due to a simulation glitch the developers chose to keep. As creative director Lena Volkov put it in a leaked design document: “The error creates a perpetual collapse. The water falls, then falls again inside the falling. It is wrong. But it is beautiful.”

This results in a visual paradox: the bottom of the waterfall appears to be moving backward in time relative to the top, creating a Moiré pattern of liquid time.

Katya y111 Waterfall.44 comprises three steps:

| Step | Height (m) | Width (m) | Bedrock type | |------|------------|-----------|---------------| | Upper | 1.8 | 2.3 | Quartzite | | Middle | 1.5 | 2.9 | Schist | | Lower | 1.1 | 4.0 | Schist with gneiss |

Total drop = 4.4 m (hence .44). The plunge pool depth at base of lower step is 0.7 m (July).

Katya y111 Waterfall.44 is a small but scientifically valuable proglacial waterfall system in the Polar Urals. Its 4.4 m drop, tiered structure, and extreme discharge variability make it a useful sentinel for permafrost degradation and glacial melt. We recommend: (1) installation of a pressure transducer for continuous monitoring, (2) inclusion in the Russian State Water Register, and (3) retention of the y111.44 code for machine-readable hydrological databases.

Fieldwork supported by the Russian Geographical Society (grant RGS-2024-Arctic-11). Thanks to the Vorkuta Weather Station for meteorological data.