Keep Defender

You are the defender of IT, a mysterious black tower. You have two weapons at your disposal: a bow, and a cannon. The threat? A horde of soldiers storming your keep. 10 days will the enemies relentlessly attack your fortification, each day with a growing force. After each day of successfully defending the keep, you can refill your ammunition and upgrade the tower. Remember to prepare for the following attack, but also to save money for the days to come. If you can hold them at bay for 10 days yo...