Continue of sucessful tower defense with RPG elements. Travel to northern island to get ancient artefact Frost Crown, fight new epic bosses and face new threat. You will have 12 different heroes in your party with unique set of skills. You can upgrade your heroes with talent points gained every level, learn new spells or abilities. Choose heroes for your mission. Update your strategy according to actual battle, swich between spells, choose to attact or heal. Cast mighty spells from your spellbook. Play in multiple game modes, without spells or hardcore difficulty. You start with 4 heroes and others will join during your journey. Your score is sum of achievements and levels won in all modes.