Procedural Pixel Art Building & City Generator (Aseprite)

🚦 Which generator should I choose?

Not sure which version fits your workflow? Here’s a quick comparison:

Tool	Best for	What it does best
Office Generator	Beginners, game jams 🎯	Quickly generate simple buildings with minimal setup
Building Generator	Pixel artists 🎨	More control with multiple building types and roof variations
City Generator ⭐ Recommended	Game developers 🎮 & Pixel artists 🎨	Generate full city scenes with depth, lighting, and layers

⭐ City Generator is recommended if you are making game backgrounds or need large, consistent city scenes fast.

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🏙️ Generate pixel art buildings or entire cities in one click

This tool helps you quickly block out buildings or full city backgrounds using procedural generation, while keeping everything fully editable in Aseprite.

Perfect for:

• Game backgrounds
• Parallax city layers
• Rapid prototyping
• Game jams and production pipelines

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🏗️ Building Generator & City Generator include

• 🏦 5 different building types
• 📡 4 roof / topping variations
• 🌆 Randomized height, lighting, and window patterns
• 🧱 Layered output — easy to edit, repaint, or polish by hand
• 🎲 Procedural generation with artist-friendly results

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🎨 All versions support

• Load GPL color palettes and auto-sort by luminosity
• Easily adjust building height, window density, and light ratio
• Randomly shuffle lit windows for night scenes 🌙
• Use directly as an Aseprite script

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⚡ Quick start (under 1 minute)

No setup, no configuration — generate results immediately.

1. Put the script into your Aseprite Scripts folder
2. Open Aseprite
3. Create a new canvas (for example: 128×256)
4. Go to File → Scripts → City Generator
5. Click Generate and start editing 🎨

😉 That’s it! You now have your own pixel art city. Congratulations!

📘 Detailed instructions with screenshots are available here:

Instruction of usage (beginner-friendly, expandable sections)

New to Aseprite scripts?
👉 How to install scripts in Aseprite

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🎮 Designed for real production use

• Non-destructive workflow
• Editable pixel layers
• Procedural generation that supports creativity, not replaces it
• Ideal for both artists and game developers

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🎨 Palette showcase

See how the generator works with all Lospec 8-color palettes:
https://vanviethieuanh.github.io/building-generator/

💡 Tip:
City Generator outputs buildings as grouped layers. Stack multiple generated city groups with depth of field to create deep, cinematic pixel art city backgrounds.

❓ What this tool is (and is not)

• ✅ A procedural generator to speed up pixel art workflows
• ✅ Fully editable output — paint, tweak, and polish by hand
• ❌ Not AI-generated art