I would have to say, it's a very good start. The only problem with the questions are that the answer is a bit obvious. What I mean is that for the equations, if you had 9--4 or whatever, you have only one answer that it could be because of process of elimination. The options would be 13, 7, and 17, the latter two which would never fit in the equation. Now if the answers were 13, 5 and -13, it might be a different story.
On a side note, it might be a good idea to put in many more questions of many different types, not only math and the color/word questions, but others like geography or current events. And try to make them at least kinda hard. ;)
The game is quite neat. Much better than the first. The two new game modes add a good challenge, and the level creation is fun to mess with. Nice work!
Wow, this is a good game! Even though the upgrades were a little small (two), I thought that the weapons system is neat. A 3 star game, needs just a bit of improvement. ;)
Hey, does each color of creeps have their own special traits? I seem to notice the black creep is harder to kill than others. And does armored mean more health or less damage from attacks?
Not a bad TD game, the auto-save feature is a nice touch, but it could be better. A little more variety in towers and enemy colors would be nice. Achievements would add a good challenge to the game. A good beginning to a idle TD game.
Oh, and there is a mute button, read the instructions. :P
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