Grow Castle (MOD Coins / Gems / Skill Points) - is an TD strategy for mobile devices with a simple hand-drawn visual component. Watch carefully for what is happening on the screen and the health scale, because your soldiers can die very quickly and you will have to launch a new wave of defenders. You need to do the deployment of the fighters yourself, so approach this case wisely, use tactics and this will allow you to hold out until the next wave.
When the level ends, on game account receives money, which you must spend on upgrading your tower and hiring units to help your characters. And your tower at a certain stage of pumping is able to create other characters with special skills. The game has a directory of soldiers, where you can choose the best. Remember: possessing a lot of resources - you can equip your tower, purchase facilities for defense.