It was fun to see your progress as your horde made its way closer and closer to the enemy, and I admire how there were different types of tower to force different strategies, although honestly the game was very very easy. I had two strategies: most of the time, I made a bunch of tanks and occasionally a few ghosts, which would have cover because of the tanks and then could sprint to the princess once the tanks ran out. Or if there were lots of area-of-effect turrets, I also made lots of tanks and occasionally a few ghosts, well, a few more ghosts, which ran out ahead and distracted the area-of-effect turrets so the tanks could keep encroaching.