~ As it moves forward, it leaves a trail behind, resembling a moving snake
~ So the snake continually gets longer as it eats the green cube
~ The player loses when the snake runs into it's longeted tail
~ The snake can past through the screen border
~ A music background has been implemented as a continuous loop
~ An eating sound has been implemented when the snake eats the green cube
~ A crash sound has been implemented once the player loses the game