Subject Null

You aren't escaping a facility. You are finding a way to let go.

SUBJECT NULL is a narrative-driven VR puzzle game that explores the heavy theme of identity through the lens of a fractured mind.

You play as Commander Arthur, a hero tasked with escaping a collapsing sci-fi facility alongside your high-tech drone, TOBI. But the facility is a lie. Arthur is a former engineer suffering from late-stage dementia, and the "mission" is a coping mechanism his mind created to handle the fear of his final moments. His "Mission Control" is his adult granddaughter, Mia, sitting by his hospice bed, guiding him through his memories to help him find peace.

Core Gameplay & Mechanics

To navigate the collapsing facility—and Arthur's fading grip on reality—you must solve environmental puzzles by mastering three distinct vision states. Progressing requires you to actively shift your perception of the world around you.

• Physical Mode: Interact with the environment as Arthur perceives it in his sci-fi delusion.
• Observer Mode: Scan your surroundings to reveal hidden truths, bypass security, and track vital signs disguised as environmental clues.
• Shadow Mode: Step through the veil of reality to witness warm, grounded memories from decades past. Watch futuristic obstacles transform back into their mundane, real-world counterparts to uncover critical passcodes.
• Dynamic Mesh Slicing: Wield a salvaged lightsaber to physically cut through environmental obstacles and forge new paths forward.

About the Project

SUBJECT NULL was developed from scratch in under 6 days. As the sole level and puzzle designer, my goal was to create a sandbox where the mechanics directly reinforced the narrative. Every puzzle solved is a memory recovered, bridging the gap between Arthur's sci-fi world and his grounded reality.

Bringing this dual-reality to life was a massive collaborative effort, supported by an incredible team of developers and artists who built this world in less than a week.

Credits

Development Team

• Mahmoud Hany – Level & Puzzle Design, Programming
• Abdurrhman Hassan – Programming
• Ahmad Ashraf – Programming

Art Team

• Mahmoud Elaboudy – 3D Art & Environment
• Salah Hesham – 3D Art & Environment

Voice Cast

• Mariam Ismail Mohamed –  Mia
• Mahmoud Hany – TOBI