LittleBigPlanet 2

This trophy is the biggest grind of all the LBP2 trophies. You'll need to spend a staggering 1,440 minutes in create mode, and not just be standing still. Unless you're a crazy creator who spends hours making lots of levels you'll have little choice but to attempt one of the two tricks explained below.

Credits to BobbyLight for this suggestion.

To do this you need a controller with a turbo button, I used a Hori Fight stick. Go into create mode and set to turbo. Now tape the button down and walk away. This constantly opens and closes the popit menu which counts as activity. Leave on for 24 hours and the trophy is yours. Note that you need to back out of create mode for the trophies to pop. I tested this on the 10 minute trophy and it worked like a charm.

Credits to AndrewAnonymous for this suggestion (Currently it's a bit hit and miss with this method so please don't set it up and leave your PS3 on for hours, check after 10 minutes to see if it's working).

You can actually use a rubber band on your right stick to spin the object. I did this over night and when I saved my progress, I earned the 10 minutes of create trophy. So, I should have about 11 hours of create already.
To do this you need to get an object with your popit that you can spin. Get it ready to be placed then fix the rubber band around your right stick in a way that makes the object spin.

After your first 10 minutes of creating you will unlock 10 Minutes of Create.