Kingdom Rush Vengeance - Infernal Mage REVIEW

Kingdom Rush Vengeance is a new strategy Tower Defense game! Kingdom Rush Vengeance takes a turn with the towers. There are no longer 4 base towers. Now there are up to 16 towers! Shadow archers, orc warriors den, infernal mage, goblin rocket riders, dark knights, melting furnace, spectres mausoleum, goblirangs, bone flingers, elite harassers, orc shaman, grim cemetery, rotten forest, blazing gem, wicked sisters, goblin war zeppelin. Are any of the paid towers good?