They allow you to build another tower on top of them and they also give the towers you build on top of them a little bit of extra height (towers can't shoot through eachother always - the line of sight in this game is a bit weird).
There are a few game mechanics I do want to take note of here but most of the game can be learned simply by following my guide in the Story section of the walkthrough.īoost - These are blocks you place on a slot that the enemies can't pass through.
If you mess up, you can press to go back in time and try to fix it. Enemies spawn, go to your core housing, and then try to flee the map. For the most part this game is fairly self-explanatory.