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# @ai-rpg-engine/starter-zombie
> **Composition Example** — This starter demonstrates how to wire the engine for zombie survival. It is an example to learn from, not a template to copy. See the [Composition Guide](../../docs/handbook/57-composition-guide.md) to build your own game.
**Ashfall Dead** — a zombie survival starter world for AI RPG Engine.
## Install
```bash
npm install @ai-rpg-engine/starter-zombie
```
## Patterns Demonstrated
This starter demonstrates the full engine stack through a survival scenario:
| Feature | What the Zombie shows |
|---|---|
| **Rulesets** | `zombieMinimalRuleset` — stats (fitness/wits/nerve), resources (hp/stamina/infection), verbs, formulas |
| **Zones & traversal** | 5 zones across 3 rooms with adjacency, light levels, interactables, hazards |
| **Districts** | The Safehouse (survivors faction) vs Dead Zone (hostile, undead) |
| **Dialogue** | Branching medic conversation with hospital supply-run quest hook |
| **Combat** | Shambler (slow, tough) and Runner (fast, fragile) with aggressive AI |
| **Cognition & perception** | Memory decay, perception filter, zombie hunger presentation rule |
| **Progression** | 3-node Survival tree with XP rewards on entity defeat |
| **Environment** | Roaming dead draining stamina, infection-risk zones raising infection |
| **Factions** | Survivors faction with medic, scavenger, and military leader |
| **Belief provenance** | Rumor propagation with delay, belief tracking |
| **Inventory** | Antibiotics with scripted item-use effect reducing infection |
| **Simulation inspector** | Full inspection wired for replay analysis |
## What's Inside
- **5 zones** — Safehouse Lobby, Abandoned Gas Station, Overrun Street, Hospital East Wing, Hospital Rooftop
- **3 NPCs** — Dr. Chen (medic), Rook (scavenger), Sergeant Marsh (military leader)
- **2 enemies** — Shambler (slow, tough undead), Runner (fast, fragile undead)
- **1 item** — Antibiotics (reduces infection by 25)
- **1 progression tree** — Survival (Scrapper → Cool-Headed → Last One Standing)
- **1 presentation rule** — zombies perceive all living as prey
- **15 modules wired** — traversal, status, combat, inventory, dialogue, cognition, perception, progression, environment, factions, rumors, districts, belief, observer presentation, inspector
## Usage
```typescript
import { createGame } from '@ai-rpg-engine/starter-zombie';
// One line — all 15 modules, content, and ruleset pre-wired
const engine = createGame(42);
// Or import pieces individually:
import { manifest, zombieMinimalRuleset, survivalTree } from '@ai-rpg-engine/starter-zombie';
```
## What to Borrow
Consequence-only resource pattern — infection accumulates from events and combat but cannot be voluntarily spent. Study how a resource that only grows creates escalating tension and forces players toward the item economy (antibiotics) as the only relief valve.
## Documentation
- [Handbook](https://mcp-tool-shop-org.github.io/ai-rpg-engine/handbook/)
- [GitHub](https://github.com/mcp-tool-shop-org/ai-rpg-engine)
---
Built by MCP Tool Shop