Sidereum Nox

WARNING!

THIS GAME CONTAINS DEPICTIONS OF VIOLENCE AND OFFSCREEN ABUSE. IF YOU FIND THESE THEMES DISTRESSING, PLAYING THIS GAME IS NOT RECOMMENDED!

The interstellar civilization of Altima has been destroyed. The aggressive nature has taken over what was left of humanity. A young girl, one of the few survivors, breaks into a research complex to rescue her missing brother and leave the planet. The only thing she doesn't know is that the other creatures had already breached the complex, too...

FEATURES:

• An hour minimum of gameplay.
• Terrifying story.
  
• Deep lore.
  
• 20+ locations.
• Four different types of the enemies.
• Unique character sprites.
• Diverse OST.
• 100% completion.

TIPS:

• Check the controls settings before playing to make your gameplay experience better! (F4 — Fullscreen!)
• You can not fight these creatures. Stay away from them and run when necessary.
• Stay focused and listen carefully.
• Remember — everything will try to kill you.

This project was made for RPG Maker Horror Game Jam: Annual Edition 2026! We have chosen theme 3 (Family secret), but theme 1 (Heaven's wrath) seems perfect as well.