It works like a Katamari game: the more clay you take on

Playing as a blue rolling clay pebble, you poke, prod, and sweep your finger to gouge a path across the clay landscape. As you go you'll squish a whole variety of clay monsters, Little Empire Mojo  making yourself bigger and faster as you go.

Using the clay you've acquired you can buy more monsters and increase the size of the level until you restore it to its full glory.

It works like a Katamari game: the more clay you take on, the bigger monsters and objects you can absorb.  Buy Little Empire Mojo However, you'll want to avoid those that are too big, Cheap Little Empire Mojo  as you'll lose clay each time you hit them.