well, follow these 5 points and you will be set
1. first you should begin by starting your game
2. you should work on your player system
3. online capabilites should then be implemented, you will find that making it fast is very helpful
4. lots of media should then be created. seeing as this is a 2d game, i suggest making the media 2d.
5. then you should get a website. start by going on the internet. then make a website
SEE! I CAN BE REALLY UNSPECIFIC TOO!!
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Quote: "I need help on making a game like habbo hotel and coke music "