It is easy to have fun in big cities, and options in Shanghai are endless.
Since the living expenses in Shanghai are generally lower than in big cities of Europe or the US, it happens that you can experience a bit of luxury while not having to sell your kidney. This discovered, I made some use of it..
Shanghai also surprised me with the arrays of cultural possibilities. There are loads of stellar contemporary art galleries - before you manage to visit them all, the first one will have already a new show on display, thus you can start from the beginning. The best in my eyes was the Power Station of Art, but here are some fragments from other galleries:
I also like to have some activity in my life. That said, I joined local slackline community for some sessions.
and to move around, I've used the sharing bike scheme. I didn't measure it, but I biked pretty much every day while there.
It's relatively fast, dirt cheap and a tad of adrenaline too, as the local traffic is a mess.