
✓ Both are hack and slash action games — sharing deep RPG systems, action RPG combat and fighting mechanics
≠ Where it differs: brings horror tension, shooter and first-person shooting, while skipping setting anime
The endless darkness and the somber, long passages of a military complex have become the abode of evil, as thousands of blood-thirsty creatures fill its offices, storehouses and mysterious laboratories. Your mission is simple: clear the base at all costs.
Where it drifts furthest from HAYAI: setting and visuals.
It predates HAYAI by 19 years, with what that implies technically.




































