Building Game Worlds

Overview

A game world is more than a map — it's terrain, props, NPCs, and lighting working together. spritesynth's generation models are specialized per asset type: Pixel Party XL for tilesets and environments, Flux for characters and objects.

This guide shows how to layer top-down tiles for terrain, place objects for interactive props, and populate the scene with characters — all with consistent visual styling.

Step 1: Generate the Terrain Tileset

Start with the foundation — ground tiles, walls, and terrain features:

curl -X POST https://api.spritesynth.com/v1/generations/tileset \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "description": "grass, dirt path, stone walls, water tiles for a fantasy forest",
    "type": "top_down",
    "tile_size": 16
  }'

Step 2: Generate Environment Objects

Add interactive and decorative props to populate the world:

curl -X POST https://api.spritesynth.com/v1/objects \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "pixel art treasure chest, wooden texture, iron bands",
    "direction_count": 1,
    "project_id": "your-project-uuid"
  }'

Generate trees, rocks, fences, torches, and other props using consistent prompts.

Step 3: Add Characters and NPCs

Populate the world with characters that match the environment's style:

curl -X POST https://api.spritesynth.com/v1/characters \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
"prompt": "pixel art forest NPC, green tunic, brown boots, friendly expression",
    "direction_count": 4,
    "width": 32,
    "height": 32
  }'

Tips

• Match tile size to character size — A 16px tile grid pairs naturally with 32px tall characters (2:1 ratio).
• Consistent palette across layers — Use the same color palette for tiles, objects, and characters.
• Test in-engine early — Export a small section and import it into your game engine to verify scale and alignment.