Update v0.3 — Atmospheric Fog & Stage 3 Defense Rework — Fatal Research Steam update #1601136

■ New Atmosphere • Stage 1: thin ground fog across the entire map, drifting toward the player • Monster spawn smoke now rises ahead of you along the rail route; density toned down • Loading screen now shows real loading progress ■ Stage 3 Defense Rework • 7-wave structure with boss phases and a final boss rush • New HUD for wave progress and remaining monsters • Improved spawn placement and respawn pacing ■ Fixes & Stability • Fixed errors when restarting or re-entering a stage • Game over now properly stops combat and returns to the title screen • Fixed the Stage 2 escape sequence triggering multiple times • Master volume tuned to 70%; reduced BGM memory usage • Optimized default graphics settings for more stable framerates