Listening to the developer commentary, one of the notes talked about there being one secret in the game that might not have been discovered yet. I'm not familiar with a lot of the online conversation, so it might have been found out by now and I missed it, but I'm curious what that secret might be

Press the ~ key on the keyboard.

You can type the commands like the following (this command gives you 1000 wood after you press enter):

$game.stores[:wood] = 1000

More info here