Update KP006410: Improvements and fixes.

This update includes various improvements. Key changes include:

- Provides new skin: Progressbar NOT 3.60
- Provides visual themes for select systems
- Provides custom background colors for select systems
- Provides custom mouse pointers
- Provides a sliding puzzle mini-game for Wista and Largehorn systems
- Provides new achievements
- Provides support for windowed (the game may run in a window now) and full-screen display modes
- Provides some tweaks for Progresstein 3D game mode