As much fun on the OSX as it is on iOS, but...
A couple of bizarre little bugs cost it a star. Amusingly, months after its release, these are not fixed. Nothing prevents play (so far) but it sure wouldbe nice to get these fixed, and the game deserves it.
After you get a high score, you can clear the dialog ad then resume and alakazam you have another high score equal to your just earned high score. Enter your name and fill the display!
If you select a tower by clicking and dragging, you get nothing (but it occasionally costs you the money). Do not click and drag.
martimer about Fieldrunners