HELLO!! NEW UPDATE FOR YOU ALL! (just sounds really)

• Added new shot sound
• Changed upgrade sounds
• Added upgrade room music
• Added Click sounds to upgrade room
• Hid the Press space to continue button in the upgrade screen when you haven't purchased the free turret.
• Added damage sounds to train and cart
• Added some rocks and changed the tileset in 3rd level
• Added an icon for the game
• Shows you the price of the upgrade before clicking on it