1. Game framework
libGDX (Apache License 2.0), all platforms.
2. Platform libraries
Android: AndroidX libraries (Apache License 2.0). iPhone: MobiVM / RoboVM runtime (Apache License 2.0) and ANGLE / MetalANGLE (BSD 3-Clause).
3. Google software (not open source)
Google Mobile Ads SDK and Google User Messaging Platform (Android only), provided by Google under the Google APIs Terms of Service.
4. The game itself
All characters, pixel art, animation, music, sound effects, levels, fonts and game code of Dragon Ninja are © 2026 Wombat Game Studio. All rights reserved.
Questions? Email [email protected].