Move your blue knights through the castle garden to raid the red fortress! Cut the bushes to make the path, but do it wisely. You will see multipliers along the road that can either increase or decrease the amount of warriors. To win, you must keep your troops plentiful to outnumber the red enemies or restart the game!
You do it for nothing but treasures. Purple gems are the source of heavy armor and sharp spears that give you a chance to break through the gates when everything seems desperate.