Concerning the bug I had, I still have the game open if you were wondering. and I will continue to have it open until you reply to either not worry about it, or if you found a way you would like me to show you. Again, the description of the upgrade card tells you it need 7 more times to use the previous card to unlock it. However no matter how many times I win a random run, it still says I need 7 more times on the card. I have remedied this before by simply restarting the application but if you want to see the error live, I still have the game running.