1.2 Update, Bug fix

Changelog :

• Fix difficulty of the game depends on the game's FPS (frames per second)
• Add Pause button during game play
• Adjust game balance.

Known issue (To do list):

• Sound volume adjustment system.
• Display mode system causes screen resolution to change when switching between windowed mode and full screen.
• Game difficulty balance.
• Pause menu screen.
• Found same character many times.