The volume levels of the AI voice are horribly high. In other words it sounds like my speakers are going to fry when the lady speaks. I had to turn off the sound effects. My speaker levels are fine, it's your game, fix it please.
Second, your income increased too slow to keep up with the repeated attacks by the computer. The layout seems simple but in reality it just wasn't that great and made it hard to control your units, build buildings, make upgrades, etc.
I think this game needs a lot more testing and the author's terse comments just demonstrates the lack of enthusiasm and integrity put into this barely average game.