It would be cool if this was an adventure styled game aswell, with many blocks you could explore, the blocks being unknown, could have either enemies of gold, but keep to the tower defense aspect, just a suggestion.
I noticed that the bottle of whiskey in the car is in various other places in the game? Still, the game kept me entertained, although I felt little need to try and work things out for myself, save for the puzzling side of it
This hooded figure in a forest, for whom you fetch 'mushrooms' for, tells you to kill 2 foxes with a cabbage. No, really, there's definitely something wrong with you
Destroying the whole world except for London because you actually think you'll kill yourself by attacking it... This is what this game has done to me over the last few days...
Wandrul, creating Biofuel is incredibly easy, your views have been biased towards oil. It's simply using Yeast to create ethanol, using maize or similar products to feed the yeast, simple as. And no energy is needed at all (save transport etc)