Very short, but game jam games can be that way. I think it's better to be left wanting more than to get bored.
I wasn't sure how the tanks were meant to factor into the game play. At first I assumed I was supposed to destroy them by putting into them, but apparently it's meant to be played entirely like a regular golf game and the tanks are simply obstacles.
Further, it's not entirely clear to me how playing golf saved the day, but I'm glad it did!