General updates:
- SFX/BGM improvements
- UI/UX improvements
- Minor bug fixes
Kitties system:
- Now the spaceship will drop a kitty box every 5 levels of Meow
- Kitties rarity from the kitty box will be determined based on Meow's level
- Now the unique weapon and active skill of Beck can be evolved if you have 4 orange unions
Bosses:
- Add boss HP bar
- Increase the size of all bosses
- Temporarily remove the laser dog boss due to its overwhelming difficulty
Buffs:
- Critical rate: 2% > 5%
- Attack Speed: 2% > 5%
