You can make it whatever you want...
Besides a platform game, as said by the developers you can make it a glorified chat-room or anything that you can think of.
Since the game is running off real physics, I'm already looking into robot mechanics and planning on building a giant controllable robot running off gears and gimmics.
Since you can share data people can implement the robot data with their own and just put in more and more sets of robots if they want. There could be a league of robot builders and just have the robots fight. There could be leagues of different things and just have contest to vote for whoever built the best of whatever.
All the above are just in my head but PS3 is focusing on their online community aspect anyway so all these could be easily done.
If your imagination can come up with it, this game can be whatever you want it to be.
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