There couldn’t have been a more perfect time to play a Kingdom Rush game — I had just finished replaying through the series during a hospital stay, and when I got home, I saw that Ironhide Game Studios’ new release, Kingdom Rush Vengeance, had released on Android. Excited, I rushed to purchase it and for some reason, was surprised when I saw the amount of microtransactions in the game. It doesn’t make any sense that I was surprised. Despite always being a premium franchise that requires an up-front payment, Kingdom Rush has also controversially locked most of the game’s heroes behind additional paywalls. You generally get three-four heroes in the base game, and the other 10-plus heroes are individual microtransactions, some that cost more than the game itself. It’s never been a good, customer-friendly business model. Feeling like you’re locked out of content that you feel like you’ve already paid…