Archer Garrison, Knights Order and Royal Catapult are available from the start; on Steam the other 12 unlock at a total number of stars. On iOS and Android, Wildcat Huntresses, Alchemist Shack, Ironbark Treant, Arcane Forger and Sentry Watchtower are in-app purchases instead.
15 entries
Selling a tower
Selling returns 60% of all the gold spent on the tower, its upgrades and its skills. Before the first wave starts, selling returns all of it.