Coloring Book Engine ( Drawing & Coloring )

Coloring Book Engine is a production-ready, fully customizable framework for building professional coloring and painting apps in Unity.

It includes a smooth drawing system, configurable brush and eraser tools, sticker placement, smart zoom and pan, and a reliable undo/redo history. Input is tailored for both touch and mouse, providing a responsive experience across platforms.

All configuration is handled through ScriptableObject assets, allowing you to modify brushes, stickers, palettes, and settings without touching code.

The architecture is clean, modular, and easy to extend, suitable for kids’ coloring books, casual creative apps, or more advanced art experiences.

High-quality PNG export is built in, with automatic handling of mobile permissions and file paths.

Coloring Book Engine provides a solid foundation to build, reskin, and ship your coloring app quickly—without rewriting core systems.

🔗 Try the game HERE:

Android: Link here:

📦 Included Third-Party Packages

When you purchase the Coloring Book Engine ( Drawing & Coloring ), you also receive every third-party package listed below—at no extra cost:

1. Standalone Price: $9.00 - Optimized UI Components – Scroll View Infinite-scroll and wraparound content panels, drag-to-reorder lists, snapping, inertia tweaks, and virtualization for large dynamic lists

🤝 On-Demand Requests & 24/7 Support

We welcome custom feature requests and provide around-the-clock support, so you’re never left waiting.

Stay tuned for exciting updates and new features in Solitaire Game Engine, that brings unmatched customization and polished gameplay to your Unity projects.

❤️ Reviews are very much appreciated; we love to hear what you think of the asset!