I played this through to the end, thought long and hard on every little bit of it, but I still can't seem to puzzle out a meaning.
Maybe they don't have one, and this is a trap for those who have to find a reason for anything?
This game has an eloquent beauty of the kind which cannot be surpassed-it succeeds in questioning life itself, admitting to the fragility of which it must succumb-and the insanity that goes on in the meanwhile.
I love this game. You can sell the original towers for as much as their buy price. That's just awesome. You can combine towers to make a mega tower WITH different abilities depending on what towers its made of? Awesome. My only complaint is that you can summon a group early for a 'set' amount of points. I think that the earlier you summon, the more points you should get... Or, with the Spawner guy (The one that sets down lots of bubbles) You can fast summon it when it's a boss... And you don't get more points. In fact, you get three points. Thats sort of annoying. All in all though, this is the best TD I've ever played. 5/5.
First Problem I had? All of the enemies give the same amount of cash. Second was that the eye upgrade doesn't cover enough of the map to really help, so thats a waste. Third, you can just buff up on defense and be invincible. So, basically, the mechanics of this game suck. However, if you worked on this (And a lot of other problems) You could have fun, entertaining game.