Click the Icons at the top to summon things like humans,monsters,fire,etc. Press C to use cheats Use the arrow keys to control the priest/s (the Brown robed guys). Experiment around how the different things react on each other,but Keep in mind that the villagers will react too if you punish them for too Long!
I suggest you to use Fullscreen. Play the Sequel: http://scratch.mit.edu/projects/20966695/ some cheats: disney showmood there are excactly 5 cheats ingame,open the Editor if you want to find them.