0.Add a random drop system.
1.Add some skeleton monster skin, different skin with different speed.
2.Rewrite skeleton generate logic, game are more easy to play with now.
3.Game map are much brighter now.
4.Skeleton death sound effect, a wind sound add to the church too.
5.New menu background music.
6.Add shotgun mode to the main weapon,tap fire1 to shoot.
really busy these days, forgive my lazy update log.