liked it, but there are a few bugs through...
- when monsters where frozen in frond of my tower, the tower still takes damage.
- after lv 11 I couldn't use one of the missiles (fully upgraded)
- after lv 12 the missiles disappeared when they were shot
those following below aren't real bugs, just some improvements:
- more lv's
- more upgrades
- better graphics (would be nice)
- monster description, and maybe a monster guide, to see which monsters are weak against the elements.
that's all :D