On the Cost of Upgrading Your Fleet of Warships

I downloaded another iPad game that was a lot like the one I wrote about in The Tower.

It was probably a mistake, given my tendencies for going all-in, but once in a while I download a game and play it off and on for a couple weeks. Then I get bored and remove it from the device. No big deal.

In this game I had to build up defenses for my base and attack other bases, deploying a fleet of ships and military in a series of invasions. Simple and fun.

My endeavors would earn money, or at least in-...