We are given energy, but we are given a ton! I haven't run out yet! And yes, there are crystals, but I have not had to use any yet, and I am pretty far into the game, too!
Police: Sir, why exactly did you and your family think it was OK to brutally kill your neighbors?
Me: I thought they were part of a terrorist organization. I mean, come on, their kid carried around a bloody sickle everywhere he went!
if you type in iamacheater then you get 999 of all materials and lots of money. just type it in in the middle of the game. it wont look like anything will happen until you finish