update · April 24, 2026

Icarus Update Week 229 Overhauls Waterfalls and Re-enables Storm Walls

Icarus Week 229 delivers visual upgrades and performance optimizations to waterfalls, re-enables map-spanning Storm Walls in harsh biomes, and introduces a new Uranium node spawn location.

The Week 229 Atmospheric Update for Icarus focuses on environmental overhauls, bringing back dormant weather visuals, optimizing texture memory, and refreshing waterfall technology across maps.

Environmental Overhauls and Storm Walls

The massive Storm Wall actor returns to the Arctic and Desert biomes, positioned between 500 and 2,000 meters away based on storm intensity to emphasize severe weather dangers. Environmental wisp effects are re-enabled in these biomes when active weather is absent, provided Effects Quality is set above Low. Waterfalls across all maps receive a shader and blueprint overhaul, utilizing adaptive tessellation and vertex interpolators to improve visual consistency and reduce rendering costs.

Memory and Asset Optimization

Texture optimization efforts save substantial memory, including roughly 1.5GB from general textures, 100MB from axe textures, 75MB from pickaxes, 90MB from VFX textures, 640MB from environment assets, 150MB from creatures, 230MB from deployables, and 150MB from flat geothermal normal maps. Irradiated Abomination textures are downscaled to reduce total memory consumption.

Gameplay and Balance Adjustments

A new Uranium Node spawner arrives in the Elysium Mushroom Swamp radiation area. Mammoth boss experience rewards are increased fivefold. Quest flow for Mo and Theo is adjusted so they leave Eden at the intended story milestones. Raw Bacon includes the Raw Meat tag for recipe compatibility, and Komodo spawns in the OmpHalos quest are reduced for better pacing. Hammerhead slug boss fights are altered so nearby wild creatures no longer join the combat.

Why this patch matters

Week 229 improves engine performance through extensive texture optimization while modernizing core environmental features like waterfalls and weather walls.