First impressions...

[helix2]

... are not great. The game seems bland. There is no story or any sense of what is going on. Once a tower is placed, it is difficult to tell what it is, which is sad, because in the tower almanac, I can see they were crafted to look unique. Just can't see it in the game.
The monsters all walk in a lockstep line, making seeing them very difficult, though the boss monsters look cool. Will try again, but as it is, not thinking it has much to it.