This repository contains the complete preproduction documents for the Vertical Slice of "The Sunken Protocol" (working title).
A story-first, post-apocalyptic action-survival game set in a flooded, toxic Hamburg cut off from the rest of the world.
- Core Premise: A combination of an extreme sea-level rise and a failed geo-engineering experiment (Project Albedo) has turned Hamburg into a dark, flooded city.
- Estimated Playtime: ~20 hours (Full Game) | ~20-30 mins (Vertical Slice)
- Genre: Survival-Shooter / Action-Survival
- Style: Metro in the underground, Stalker in the harbor. Chernobylite-style efficiency (photogrammetry of the Speicherstadt).
- 📖 Narrative & Story - The plot, lore drop, and scripting specifically for the vertical slice.
- ⚙️ Gameplay Mechanics - Core loops, the pneumatic ecosystem, traversal, and the Veil.
- 🎨 Art Style Guide - Visual pillars, lighting setup (Lumen), material rules, and UI inspiration.
- 💻 Technical Guide - Architecture, pipelines, performance targets, and engine documentation.