Add online mulitplayer function to existing iOS source code

I have an existing running game source code. I need to modify and add online multiplayer function to it.

Just like Appstore "Fun Run" [url removed, login to view]


1. Allow online players up to 4 players at a time. At least 2 players to start game

2. Invited facebook friends

3. Able to select friends to play with

Show me your portfolio on those multiplayers app you have done.

Please do not bid unless you have experiences with developing online multiplayer features.

Skills: iPad, iPhone, Mobile App Development

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About the Employer:
( 27 reviews ) singapore, Singapore

Project ID: #4726123

7 freelancers are bidding on average $608 for this job


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