Bug Fixes:

- Fixed a bug where the final boss level sometimes would load infinitely
- Improved the performance of the bullet wave attack of the final boss
- Fixed a bug that caused the game to crash when defeating the final boss in certain situations

Adjustments:

- Improved the level generation algorithm
- Reduced the intensity of the screen shake when entering a boss fight

New Features:

- Added a Boss Rush mode
- Added a new explosive rock enemy