Halloween content -Demo

Halloween theme

1. In-game music is scarier
2. New death effect when killing an enemy
3. Gain a satisfying speed boost upon killing an enemy

Fixes

1. Fixed game crashing upon pressing restart button through pause menu
2. Fixed hearts not regenerating upon restarting the level
3. Fixed game not loading properly when going back to main menu

Thats it for now, Thanks for playing and enjoy!