It's a little game of pong,We can play in solo,local multiplayer or LAN multiplayer.
to play with your friend in LAN. It's very easy. one choose the mod "HOST" and he can see his IP the other choose the mod "JOIN" and enter the IP of that choose the mod "HOST"
By default, it isn't had music(but it has sound effect).but if you should play with music you can. For this you rename and convert your music file "music.wav" and you drop your file in asset. It's simillar for other asset